--- /dev/null
+/* GStreamer
+ *
+ * Copyright (C) 2014-2015 Sebastian Dröge <sebastian@centricular.com>
+ * Copyright (C) 2015 Brijesh Singh <brijesh.ksingh@gmail.com>
+ * Copyright (C) 2019-2020 Stephan Hesse <stephan@emliri.com>
+ * Copyright (C) 2020 Philippe Normand <philn@igalia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+/**
+ * SECTION:gstplay
+ * @title: GstPlay
+ * @short_description: Player
+ * @symbols:
+ * - GstPlay
+ *
+ * Since: 1.20
+ */
+
+/* TODO:
+ *
+ * - Equalizer
+ * - Gapless playback
+ * - Frame stepping
+ * - Subtitle font, connection speed
+ * - Deinterlacing
+ * - Buffering control (-> progressive downloading)
+ * - Playlist/queue object
+ * - Custom video sink (e.g. embed in GL scene)
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstplay.h"
+#include "gstplay-video-renderer-private.h"
+#include "gstplay-media-info-private.h"
+#include "gstplay-message-private.h"
+
+#include <gst/gst.h>
+#include <gst/video/video.h>
+#include <gst/video/colorbalance.h>
+#include <gst/tag/tag.h>
+#include <gst/pbutils/descriptions.h>
+
+#include <string.h>
+
+GST_DEBUG_CATEGORY_STATIC (gst_play_debug);
+#define GST_CAT_DEFAULT gst_play_debug
+
+#define DEFAULT_URI NULL
+#define DEFAULT_POSITION GST_CLOCK_TIME_NONE
+#define DEFAULT_DURATION GST_CLOCK_TIME_NONE
+#define DEFAULT_VOLUME 1.0
+#define DEFAULT_MUTE FALSE
+#define DEFAULT_RATE 1.0
+#define DEFAULT_POSITION_UPDATE_INTERVAL_MS 100
+#define DEFAULT_AUDIO_VIDEO_OFFSET 0
+#define DEFAULT_SUBTITLE_VIDEO_OFFSET 0
+
+/**
+ * gst_play_error_quark:
+ * Since: 1.20
+ */
+GQuark
+gst_play_error_quark (void)
+{
+ return g_quark_from_static_string ("gst-play-error-quark");
+}
+
+static GQuark QUARK_CONFIG;
+
+/* Keep ConfigQuarkId and _config_quark_strings ordered and synced */
+typedef enum
+{
+ CONFIG_QUARK_USER_AGENT = 0,
+ CONFIG_QUARK_POSITION_INTERVAL_UPDATE,
+ CONFIG_QUARK_ACCURATE_SEEK,
+
+ CONFIG_QUARK_MAX
+} ConfigQuarkId;
+
+static const gchar *_config_quark_strings[] = {
+ "user-agent",
+ "position-interval-update",
+ "accurate-seek",
+};
+
+GQuark _config_quark_table[CONFIG_QUARK_MAX];
+
+#define CONFIG_QUARK(q) _config_quark_table[CONFIG_QUARK_##q]
+
+enum
+{
+ PROP_0,
+ PROP_VIDEO_RENDERER,
+ PROP_URI,
+ PROP_SUBURI,
+ PROP_POSITION,
+ PROP_DURATION,
+ PROP_MEDIA_INFO,
+ PROP_CURRENT_AUDIO_TRACK,
+ PROP_CURRENT_VIDEO_TRACK,
+ PROP_CURRENT_SUBTITLE_TRACK,
+ PROP_VOLUME,
+ PROP_MUTE,
+ PROP_RATE,
+ PROP_PIPELINE,
+ PROP_VIDEO_MULTIVIEW_MODE,
+ PROP_VIDEO_MULTIVIEW_FLAGS,
+ PROP_AUDIO_VIDEO_OFFSET,
+ PROP_SUBTITLE_VIDEO_OFFSET,
+ PROP_LAST
+};
+
+enum
+{
+ GST_PLAY_FLAG_VIDEO = (1 << 0),
+ GST_PLAY_FLAG_AUDIO = (1 << 1),
+ GST_PLAY_FLAG_SUBTITLE = (1 << 2),
+ GST_PLAY_FLAG_VIS = (1 << 3)
+};
+
+struct _GstPlay
+{
+ GstObject parent;
+
+ GstPlayVideoRenderer *video_renderer;
+
+ gchar *uri;
+ gchar *redirect_uri;
+ gchar *suburi;
+
+ GThread *thread;
+ GMutex lock;
+ GCond cond;
+ GMainContext *context;
+ GMainLoop *loop;
+
+ GstBus *api_bus;
+
+ GstElement *playbin;
+ GstBus *bus;
+ GstState target_state, current_state;
+ gboolean is_live, is_eos;
+ GSource *tick_source, *ready_timeout_source;
+
+ GstClockTime cached_duration;
+ gint64 cached_position;
+
+ gdouble rate;
+
+ GstPlayState app_state;
+
+ gint buffering;
+
+ GstTagList *global_tags;
+ GstPlayMediaInfo *media_info;
+
+ GstElement *current_vis_element;
+
+ GstStructure *config;
+
+ /* Protected by lock */
+ gboolean seek_pending; /* Only set from main context */
+ GstClockTime last_seek_time; /* Only set from main context */
+ GSource *seek_source;
+ GstClockTime seek_position;
+
+ /* For playbin3 */
+ gboolean use_playbin3;
+ GstStreamCollection *collection;
+ gchar *video_sid;
+ gchar *audio_sid;
+ gchar *subtitle_sid;
+ gulong stream_notify_id;
+};
+
+struct _GstPlayClass
+{
+ GstObjectClass parent_class;
+};
+
+#define parent_class gst_play_parent_class
+G_DEFINE_TYPE (GstPlay, gst_play, GST_TYPE_OBJECT);
+
+static GParamSpec *param_specs[PROP_LAST] = { NULL, };
+
+static void gst_play_dispose (GObject * object);
+static void gst_play_finalize (GObject * object);
+static void gst_play_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_play_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+static void gst_play_constructed (GObject * object);
+
+static gpointer gst_play_main (gpointer data);
+
+static void gst_play_seek_internal_locked (GstPlay * self);
+static void gst_play_stop_internal (GstPlay * self, gboolean transient);
+static gboolean gst_play_pause_internal (gpointer user_data);
+static gboolean gst_play_play_internal (gpointer user_data);
+static gboolean gst_play_seek_internal (gpointer user_data);
+static void gst_play_set_rate_internal (GstPlay * self);
+static void change_state (GstPlay * self, GstPlayState state);
+
+static GstPlayMediaInfo *gst_play_media_info_create (GstPlay * self);
+
+static void gst_play_streams_info_create (GstPlay * self,
+ GstPlayMediaInfo * media_info, const gchar * prop, GType type);
+static void gst_play_stream_info_update (GstPlay * self, GstPlayStreamInfo * s);
+static void gst_play_stream_info_update_tags_and_caps (GstPlay * self,
+ GstPlayStreamInfo * s);
+static GstPlayStreamInfo *gst_play_stream_info_find (GstPlayMediaInfo *
+ media_info, GType type, gint stream_index);
+static GstPlayStreamInfo *gst_play_stream_info_get_current (GstPlay *
+ self, const gchar * prop, GType type);
+
+static void gst_play_video_info_update (GstPlay * self,
+ GstPlayStreamInfo * stream_info);
+static void gst_play_audio_info_update (GstPlay * self,
+ GstPlayStreamInfo * stream_info);
+static void gst_play_subtitle_info_update (GstPlay * self,
+ GstPlayStreamInfo * stream_info);
+
+/* For playbin3 */
+static void gst_play_streams_info_create_from_collection (GstPlay * self,
+ GstPlayMediaInfo * media_info, GstStreamCollection * collection);
+static void gst_play_stream_info_update_from_stream (GstPlay * self,
+ GstPlayStreamInfo * s, GstStream * stream);
+static GstPlayStreamInfo *gst_play_stream_info_find_from_stream_id
+ (GstPlayMediaInfo * media_info, const gchar * stream_id);
+static GstPlayStreamInfo *gst_play_stream_info_get_current_from_stream_id
+ (GstPlay * self, const gchar * stream_id, GType type);
+static void stream_notify_cb (GstStreamCollection * collection,
+ GstStream * stream, GParamSpec * pspec, GstPlay * self);
+
+static void on_media_info_updated (GstPlay * self);
+
+static void *get_title (GstTagList * tags);
+static void *get_container_format (GstTagList * tags);
+static void *get_from_tags (GstPlay * self, GstPlayMediaInfo * media_info,
+ void *(*func) (GstTagList *));
+static void *get_cover_sample (GstTagList * tags);
+
+static void remove_seek_source (GstPlay * self);
+
+static gboolean query_position (GstPlay * self, GstClockTime * position);
+
+static void
+gst_play_init (GstPlay * self)
+{
+ GST_TRACE_OBJECT (self, "Initializing");
+
+ self = gst_play_get_instance_private (self);
+
+ g_mutex_init (&self->lock);
+ g_cond_init (&self->cond);
+
+ self->context = g_main_context_new ();
+ self->loop = g_main_loop_new (self->context, FALSE);
+ self->api_bus = gst_bus_new ();
+
+ /* *INDENT-OFF* */
+ self->config = gst_structure_new_id (QUARK_CONFIG,
+ CONFIG_QUARK (POSITION_INTERVAL_UPDATE), G_TYPE_UINT, DEFAULT_POSITION_UPDATE_INTERVAL_MS,
+ CONFIG_QUARK (ACCURATE_SEEK), G_TYPE_BOOLEAN, FALSE,
+ NULL);
+ /* *INDENT-ON* */
+
+ self->seek_pending = FALSE;
+ self->seek_position = GST_CLOCK_TIME_NONE;
+ self->last_seek_time = GST_CLOCK_TIME_NONE;
+
+ self->cached_position = 0;
+ self->cached_duration = GST_CLOCK_TIME_NONE;
+
+ GST_TRACE_OBJECT (self, "Initialized");
+}
+
+/*
+ * Works same as gst_structure_set to set field/type/value triplets on message data
+ */
+static void
+api_bus_post_message (GstPlay * self, GstPlayMessage message_type,
+ const gchar * firstfield, ...)
+{
+ GstStructure *message_data = NULL;
+ GstMessage *msg = NULL;
+ va_list varargs;
+
+ GST_INFO ("Posting API-bus message-type: %s",
+ gst_play_message_get_name (message_type));
+ message_data = gst_structure_new (GST_PLAY_MESSAGE_DATA,
+ GST_PLAY_MESSAGE_DATA_TYPE, GST_TYPE_PLAY_MESSAGE, message_type, NULL);
+
+ va_start (varargs, firstfield);
+ gst_structure_set_valist (message_data, firstfield, varargs);
+ va_end (varargs);
+
+ msg = gst_message_new_custom (GST_MESSAGE_APPLICATION,
+ GST_OBJECT (self), message_data);
+ GST_DEBUG ("Created message with payload: [ %" GST_PTR_FORMAT " ]",
+ message_data);
+ gst_bus_post (self->api_bus, msg);
+}
+
+static void
+config_quark_initialize (void)
+{
+ gint i;
+
+ QUARK_CONFIG = g_quark_from_static_string ("play-config");
+
+ if (G_N_ELEMENTS (_config_quark_strings) != CONFIG_QUARK_MAX)
+ g_warning ("the quark table is not consistent! %d != %d",
+ (int) G_N_ELEMENTS (_config_quark_strings), CONFIG_QUARK_MAX);
+
+ for (i = 0; i < CONFIG_QUARK_MAX; i++) {
+ _config_quark_table[i] =
+ g_quark_from_static_string (_config_quark_strings[i]);
+ }
+}
+
+static void
+gst_play_class_init (GstPlayClass * klass)
+{
+ GObjectClass *gobject_class = (GObjectClass *) klass;
+
+ gobject_class->set_property = gst_play_set_property;
+ gobject_class->get_property = gst_play_get_property;
+ gobject_class->dispose = gst_play_dispose;
+ gobject_class->finalize = gst_play_finalize;
+ gobject_class->constructed = gst_play_constructed;
+
+ param_specs[PROP_VIDEO_RENDERER] =
+ g_param_spec_object ("video-renderer",
+ "Video Renderer", "Video renderer to use for rendering videos",
+ GST_TYPE_PLAY_VIDEO_RENDERER,
+ G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_URI] = g_param_spec_string ("uri", "URI", "Current URI",
+ DEFAULT_URI, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_SUBURI] = g_param_spec_string ("suburi", "Subtitle URI",
+ "Current Subtitle URI", NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_POSITION] =
+ g_param_spec_uint64 ("position", "Position", "Current Position",
+ 0, G_MAXUINT64, DEFAULT_POSITION,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_MEDIA_INFO] =
+ g_param_spec_object ("media-info", "Media Info",
+ "Current media information", GST_TYPE_PLAY_MEDIA_INFO,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_CURRENT_AUDIO_TRACK] =
+ g_param_spec_object ("current-audio-track", "Current Audio Track",
+ "Current audio track information", GST_TYPE_PLAY_AUDIO_INFO,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_CURRENT_VIDEO_TRACK] =
+ g_param_spec_object ("current-video-track", "Current Video Track",
+ "Current video track information", GST_TYPE_PLAY_VIDEO_INFO,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_CURRENT_SUBTITLE_TRACK] =
+ g_param_spec_object ("current-subtitle-track", "Current Subtitle Track",
+ "Current audio subtitle information", GST_TYPE_PLAY_SUBTITLE_INFO,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_DURATION] =
+ g_param_spec_uint64 ("duration", "Duration", "Duration",
+ 0, G_MAXUINT64, DEFAULT_DURATION,
+ G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_VOLUME] =
+ g_param_spec_double ("volume", "Volume", "Volume",
+ 0, 10.0, DEFAULT_VOLUME, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_MUTE] =
+ g_param_spec_boolean ("mute", "Mute", "Mute",
+ DEFAULT_MUTE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_PIPELINE] =
+ g_param_spec_object ("pipeline", "Pipeline",
+ "GStreamer pipeline that is used",
+ GST_TYPE_ELEMENT, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_RATE] =
+ g_param_spec_double ("rate", "rate", "Playback rate",
+ -64.0, 64.0, DEFAULT_RATE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_VIDEO_MULTIVIEW_MODE] =
+ g_param_spec_enum ("video-multiview-mode",
+ "Multiview Mode Override",
+ "Re-interpret a video stream as one of several frame-packed stereoscopic modes.",
+ GST_TYPE_VIDEO_MULTIVIEW_FRAME_PACKING,
+ GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_VIDEO_MULTIVIEW_FLAGS] =
+ g_param_spec_flags ("video-multiview-flags",
+ "Multiview Flags Override",
+ "Override details of the multiview frame layout",
+ GST_TYPE_VIDEO_MULTIVIEW_FLAGS, GST_VIDEO_MULTIVIEW_FLAGS_NONE,
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_AUDIO_VIDEO_OFFSET] =
+ g_param_spec_int64 ("audio-video-offset", "Audio Video Offset",
+ "The synchronisation offset between audio and video in nanoseconds",
+ G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ param_specs[PROP_SUBTITLE_VIDEO_OFFSET] =
+ g_param_spec_int64 ("subtitle-video-offset", "Text Video Offset",
+ "The synchronisation offset between text and video in nanoseconds",
+ G_MININT64, G_MAXINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
+
+ g_object_class_install_properties (gobject_class, PROP_LAST, param_specs);
+
+ config_quark_initialize ();
+}
+
+static void
+gst_play_dispose (GObject * object)
+{
+ GstPlay *self = GST_PLAY (object);
+
+ GST_TRACE_OBJECT (self, "Stopping main thread");
+
+ if (self->loop) {
+ g_main_loop_quit (self->loop);
+
+ if (self->thread != g_thread_self ())
+ g_thread_join (self->thread);
+ else
+ g_thread_unref (self->thread);
+ self->thread = NULL;
+
+ g_main_loop_unref (self->loop);
+ self->loop = NULL;
+
+ g_main_context_unref (self->context);
+ self->context = NULL;
+ }
+
+ gst_clear_object (&self->api_bus);
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_play_finalize (GObject * object)
+{
+ GstPlay *self = GST_PLAY (object);
+
+ GST_TRACE_OBJECT (self, "Finalizing");
+
+ g_free (self->uri);
+ g_free (self->redirect_uri);
+ g_free (self->suburi);
+ g_free (self->video_sid);
+ g_free (self->audio_sid);
+ g_free (self->subtitle_sid);
+ if (self->global_tags)
+ gst_tag_list_unref (self->global_tags);
+ if (self->video_renderer)
+ g_object_unref (self->video_renderer);
+ if (self->current_vis_element)
+ gst_object_unref (self->current_vis_element);
+ if (self->config)
+ gst_structure_free (self->config);
+ if (self->collection)
+ gst_object_unref (self->collection);
+ g_mutex_clear (&self->lock);
+ g_cond_clear (&self->cond);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_play_constructed (GObject * object)
+{
+ GstPlay *self = GST_PLAY (object);
+
+ GST_TRACE_OBJECT (self, "Constructed");
+
+ g_mutex_lock (&self->lock);
+ self->thread = g_thread_new ("GstPlay", gst_play_main, self);
+ while (!self->loop || !g_main_loop_is_running (self->loop))
+ g_cond_wait (&self->cond, &self->lock);
+ g_mutex_unlock (&self->lock);
+
+ G_OBJECT_CLASS (parent_class)->constructed (object);
+}
+
+static gboolean
+gst_play_set_uri_internal (gpointer user_data)
+{
+ GstPlay *self = user_data;
+
+ gst_play_stop_internal (self, FALSE);
+
+ g_mutex_lock (&self->lock);
+
+ GST_DEBUG_OBJECT (self, "Changing URI to '%s'", GST_STR_NULL (self->uri));
+
+ g_object_set (self->playbin, "uri", self->uri, NULL);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_URI_LOADED,
+ GST_PLAY_MESSAGE_DATA_URI, G_TYPE_STRING, self->uri, NULL);
+
+ g_object_set (self->playbin, "suburi", NULL, NULL);
+
+ g_mutex_unlock (&self->lock);
+
+ return G_SOURCE_REMOVE;
+}
+
+static gboolean
+gst_play_set_suburi_internal (gpointer user_data)
+{
+ GstPlay *self = user_data;
+ GstClockTime position;
+ GstState target_state;
+
+ /* save the state and position */
+ target_state = self->target_state;
+ position = gst_play_get_position (self);
+
+ gst_play_stop_internal (self, TRUE);
+ g_mutex_lock (&self->lock);
+
+ GST_DEBUG_OBJECT (self, "Changing SUBURI to '%s'",
+ GST_STR_NULL (self->suburi));
+
+ g_object_set (self->playbin, "suburi", self->suburi, NULL);
+
+ g_mutex_unlock (&self->lock);
+
+ /* restore state and position */
+ if (position != GST_CLOCK_TIME_NONE)
+ gst_play_seek (self, position);
+ if (target_state == GST_STATE_PAUSED)
+ gst_play_pause_internal (self);
+ else if (target_state == GST_STATE_PLAYING)
+ gst_play_play_internal (self);
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+gst_play_set_rate_internal (GstPlay * self)
+{
+ self->seek_position = gst_play_get_position (self);
+
+ /* If there is no seek being dispatch to the main context currently do that,
+ * otherwise we just updated the rate so that it will be taken by
+ * the seek handler from the main context instead of the old one.
+ */
+ if (!self->seek_source) {
+ /* If no seek is pending then create new seek source */
+ if (!self->seek_pending) {
+ self->seek_source = g_idle_source_new ();
+ g_source_set_callback (self->seek_source,
+ (GSourceFunc) gst_play_seek_internal, self, NULL);
+ g_source_attach (self->seek_source, self->context);
+ }
+ }
+}
+
+static void
+gst_play_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstPlay *self = GST_PLAY (object);
+
+ switch (prop_id) {
+ case PROP_VIDEO_RENDERER:
+ self->video_renderer = g_value_dup_object (value);
+ break;
+ case PROP_URI:{
+ g_mutex_lock (&self->lock);
+ g_free (self->uri);
+ g_free (self->redirect_uri);
+ self->redirect_uri = NULL;
+
+ g_free (self->suburi);
+ self->suburi = NULL;
+
+ self->uri = g_value_dup_string (value);
+ GST_DEBUG_OBJECT (self, "Set uri=%s", self->uri);
+ g_mutex_unlock (&self->lock);
+
+ g_main_context_invoke_full (self->context, G_PRIORITY_DEFAULT,
+ gst_play_set_uri_internal, self, NULL);
+ break;
+ }
+ case PROP_SUBURI:{
+ g_mutex_lock (&self->lock);
+ g_free (self->suburi);
+
+ self->suburi = g_value_dup_string (value);
+ GST_DEBUG_OBJECT (self, "Set suburi=%s", self->suburi);
+ g_mutex_unlock (&self->lock);
+
+ g_main_context_invoke_full (self->context, G_PRIORITY_DEFAULT,
+ gst_play_set_suburi_internal, self, NULL);
+ break;
+ }
+ case PROP_VOLUME:
+ GST_DEBUG_OBJECT (self, "Set volume=%lf", g_value_get_double (value));
+ g_object_set_property (G_OBJECT (self->playbin), "volume", value);
+ break;
+ case PROP_RATE:
+ g_mutex_lock (&self->lock);
+ self->rate = g_value_get_double (value);
+ GST_DEBUG_OBJECT (self, "Set rate=%lf", g_value_get_double (value));
+ gst_play_set_rate_internal (self);
+ g_mutex_unlock (&self->lock);
+ break;
+ case PROP_MUTE:
+ GST_DEBUG_OBJECT (self, "Set mute=%d", g_value_get_boolean (value));
+ g_object_set_property (G_OBJECT (self->playbin), "mute", value);
+ break;
+ case PROP_VIDEO_MULTIVIEW_MODE:
+ GST_DEBUG_OBJECT (self, "Set multiview mode=%u",
+ g_value_get_enum (value));
+ g_object_set_property (G_OBJECT (self->playbin), "video-multiview-mode",
+ value);
+ break;
+ case PROP_VIDEO_MULTIVIEW_FLAGS:
+ GST_DEBUG_OBJECT (self, "Set multiview flags=%x",
+ g_value_get_flags (value));
+ g_object_set_property (G_OBJECT (self->playbin), "video-multiview-flags",
+ value);
+ break;
+ case PROP_AUDIO_VIDEO_OFFSET:
+ g_object_set_property (G_OBJECT (self->playbin), "av-offset", value);
+ break;
+ case PROP_SUBTITLE_VIDEO_OFFSET:
+ g_object_set_property (G_OBJECT (self->playbin), "text-offset", value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_play_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstPlay *self = GST_PLAY (object);
+
+ switch (prop_id) {
+ case PROP_URI:
+ g_mutex_lock (&self->lock);
+ g_value_set_string (value, self->uri);
+ g_mutex_unlock (&self->lock);
+ break;
+ case PROP_SUBURI:
+ g_mutex_lock (&self->lock);
+ g_value_set_string (value, self->suburi);
+ g_mutex_unlock (&self->lock);
+ GST_DEBUG_OBJECT (self, "Returning suburi=%s",
+ g_value_get_string (value));
+ break;
+ case PROP_POSITION:{
+ GstClockTime position = GST_CLOCK_TIME_NONE;
+ query_position (self, &position);
+ g_value_set_uint64 (value, position);
+ GST_TRACE_OBJECT (self, "Returning position=%" GST_TIME_FORMAT,
+ GST_TIME_ARGS (g_value_get_uint64 (value)));
+ break;
+ }
+ case PROP_DURATION:{
+ g_value_set_uint64 (value, self->cached_duration);
+ GST_TRACE_OBJECT (self, "Returning duration=%" GST_TIME_FORMAT,
+ GST_TIME_ARGS (g_value_get_uint64 (value)));
+ break;
+ }
+ case PROP_MEDIA_INFO:{
+ GstPlayMediaInfo *media_info = gst_play_get_media_info (self);
+ g_value_take_object (value, media_info);
+ break;
+ }
+ case PROP_CURRENT_AUDIO_TRACK:{
+ GstPlayAudioInfo *audio_info = gst_play_get_current_audio_track (self);
+ g_value_take_object (value, audio_info);
+ break;
+ }
+ case PROP_CURRENT_VIDEO_TRACK:{
+ GstPlayVideoInfo *video_info = gst_play_get_current_video_track (self);
+ g_value_take_object (value, video_info);
+ break;
+ }
+ case PROP_CURRENT_SUBTITLE_TRACK:{
+ GstPlaySubtitleInfo *subtitle_info =
+ gst_play_get_current_subtitle_track (self);
+ g_value_take_object (value, subtitle_info);
+ break;
+ }
+ case PROP_VOLUME:
+ g_object_get_property (G_OBJECT (self->playbin), "volume", value);
+ GST_TRACE_OBJECT (self, "Returning volume=%lf",
+ g_value_get_double (value));
+ break;
+ case PROP_RATE:
+ g_mutex_lock (&self->lock);
+ g_value_set_double (value, self->rate);
+ g_mutex_unlock (&self->lock);
+ break;
+ case PROP_MUTE:
+ g_object_get_property (G_OBJECT (self->playbin), "mute", value);
+ GST_TRACE_OBJECT (self, "Returning mute=%d", g_value_get_boolean (value));
+ break;
+ case PROP_PIPELINE:
+ g_value_set_object (value, self->playbin);
+ break;
+ case PROP_VIDEO_MULTIVIEW_MODE:{
+ g_object_get_property (G_OBJECT (self->playbin), "video-multiview-mode",
+ value);
+ GST_TRACE_OBJECT (self, "Return multiview mode=%d",
+ g_value_get_enum (value));
+ break;
+ }
+ case PROP_VIDEO_MULTIVIEW_FLAGS:{
+ g_object_get_property (G_OBJECT (self->playbin), "video-multiview-flags",
+ value);
+ GST_TRACE_OBJECT (self, "Return multiview flags=%x",
+ g_value_get_flags (value));
+ break;
+ }
+ case PROP_AUDIO_VIDEO_OFFSET:
+ g_object_get_property (G_OBJECT (self->playbin), "av-offset", value);
+ break;
+ case PROP_SUBTITLE_VIDEO_OFFSET:
+ g_object_get_property (G_OBJECT (self->playbin), "text-offset", value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static gboolean
+main_loop_running_cb (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ GST_TRACE_OBJECT (self, "Main loop running now");
+
+ g_mutex_lock (&self->lock);
+ g_cond_signal (&self->cond);
+ g_mutex_unlock (&self->lock);
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+change_state (GstPlay * self, GstPlayState state)
+{
+ if (state == self->app_state)
+ return;
+
+ GST_DEBUG_OBJECT (self, "Changing app state from %s to %s",
+ gst_play_state_get_name (self->app_state),
+ gst_play_state_get_name (state));
+
+ self->app_state = state;
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_STATE_CHANGED,
+ GST_PLAY_MESSAGE_DATA_PLAY_STATE, GST_TYPE_PLAY_STATE,
+ self->app_state, NULL);
+}
+
+static gboolean
+tick_cb (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstClockTime position;
+ if (query_position (self, &position)) {
+ api_bus_post_message (self, GST_PLAY_MESSAGE_POSITION_UPDATED,
+ GST_PLAY_MESSAGE_DATA_POSITION, GST_TYPE_CLOCK_TIME, position, NULL);
+ }
+
+ return G_SOURCE_CONTINUE;
+}
+
+/*
+ * Returns true when position is queried and differed from cached position.
+ * Sets position to cached value, and to queried value if position can be queried
+ * and different.
+ */
+static gboolean
+query_position (GstPlay * self, GstClockTime * position)
+{
+ gint64 current_position;
+ *position = self->cached_position;
+ if (self->target_state >= GST_STATE_PAUSED
+ && gst_element_query_position (self->playbin, GST_FORMAT_TIME,
+ ¤t_position)) {
+ GST_LOG_OBJECT (self, "Queried position %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (current_position));
+ if (self->cached_position != current_position) {
+ self->cached_position = current_position;
+ *position = (GstClockTime) current_position;
+ return TRUE;
+ }
+ }
+ return FALSE;
+}
+
+static void
+add_tick_source (GstPlay * self)
+{
+ guint position_update_interval_ms;
+
+ if (self->tick_source)
+ return;
+
+ position_update_interval_ms =
+ gst_play_config_get_position_update_interval (self->config);
+ if (!position_update_interval_ms)
+ return;
+
+ self->tick_source = g_timeout_source_new (position_update_interval_ms);
+ g_source_set_callback (self->tick_source, (GSourceFunc) tick_cb, self, NULL);
+ g_source_attach (self->tick_source, self->context);
+}
+
+static void
+remove_tick_source (GstPlay * self)
+{
+ if (!self->tick_source)
+ return;
+
+ g_source_destroy (self->tick_source);
+ g_source_unref (self->tick_source);
+ self->tick_source = NULL;
+}
+
+static gboolean
+ready_timeout_cb (gpointer user_data)
+{
+ GstPlay *self = user_data;
+
+ if (self->target_state <= GST_STATE_READY) {
+ GST_DEBUG_OBJECT (self, "Setting pipeline to NULL state");
+ self->target_state = GST_STATE_NULL;
+ self->current_state = GST_STATE_NULL;
+ gst_element_set_state (self->playbin, GST_STATE_NULL);
+ }
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+add_ready_timeout_source (GstPlay * self)
+{
+ if (self->ready_timeout_source)
+ return;
+
+ self->ready_timeout_source = g_timeout_source_new_seconds (60);
+ g_source_set_callback (self->ready_timeout_source,
+ (GSourceFunc) ready_timeout_cb, self, NULL);
+ g_source_attach (self->ready_timeout_source, self->context);
+}
+
+static void
+remove_ready_timeout_source (GstPlay * self)
+{
+ if (!self->ready_timeout_source)
+ return;
+
+ g_source_destroy (self->ready_timeout_source);
+ g_source_unref (self->ready_timeout_source);
+ self->ready_timeout_source = NULL;
+}
+
+
+static void
+on_error (GstPlay * self, GError * err, const GstStructure * details)
+{
+ GST_ERROR_OBJECT (self, "Error: %s (%s, %d)", err->message,
+ g_quark_to_string (err->domain), err->code);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_ERROR,
+ GST_PLAY_MESSAGE_DATA_ERROR, G_TYPE_ERROR, err,
+ GST_PLAY_MESSAGE_DATA_ERROR_DETAILS, GST_TYPE_STRUCTURE, details, NULL);
+
+ g_error_free (err);
+
+ remove_tick_source (self);
+ remove_ready_timeout_source (self);
+
+ self->target_state = GST_STATE_NULL;
+ self->current_state = GST_STATE_NULL;
+ self->is_live = FALSE;
+ self->is_eos = FALSE;
+ gst_element_set_state (self->playbin, GST_STATE_NULL);
+ change_state (self, GST_PLAY_STATE_STOPPED);
+ self->buffering = 100;
+
+ g_mutex_lock (&self->lock);
+ if (self->media_info) {
+ g_object_unref (self->media_info);
+ self->media_info = NULL;
+ }
+
+ if (self->global_tags) {
+ gst_tag_list_unref (self->global_tags);
+ self->global_tags = NULL;
+ }
+
+ self->seek_pending = FALSE;
+ remove_seek_source (self);
+ self->seek_position = GST_CLOCK_TIME_NONE;
+ self->last_seek_time = GST_CLOCK_TIME_NONE;
+ g_mutex_unlock (&self->lock);
+}
+
+static void
+dump_dot_file (GstPlay * self, const gchar * name)
+{
+ gchar *full_name;
+
+ full_name = g_strdup_printf ("gst-play.%p.%s", self, name);
+
+ GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (self->playbin),
+ GST_DEBUG_GRAPH_SHOW_ALL, full_name);
+
+ g_free (full_name);
+}
+
+static void
+error_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GError *err, *play_err;
+ gchar *name, *debug, *message, *full_message;
+ const GstStructure *details = NULL;
+
+ dump_dot_file (self, "error");
+
+ gst_message_parse_error (msg, &err, &debug);
+ gst_message_parse_error_details (msg, &details);
+
+ name = gst_object_get_path_string (msg->src);
+ message = gst_error_get_message (err->domain, err->code);
+
+ if (debug)
+ full_message =
+ g_strdup_printf ("Error from element %s: %s\n%s\n%s", name, message,
+ err->message, debug);
+ else
+ full_message =
+ g_strdup_printf ("Error from element %s: %s\n%s", name, message,
+ err->message);
+
+ GST_ERROR_OBJECT (self, "ERROR: from element %s: %s", name, err->message);
+ if (debug != NULL)
+ GST_ERROR_OBJECT (self, "Additional debug info: %s", debug);
+
+ play_err =
+ g_error_new_literal (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED, full_message);
+ on_error (self, play_err, details);
+
+ g_clear_error (&err);
+ g_free (debug);
+ g_free (name);
+ g_free (full_message);
+ g_free (message);
+}
+
+static void
+warning_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GError *err, *play_err;
+ gchar *name, *debug, *message, *full_message;
+ const GstStructure *details = NULL;
+
+ dump_dot_file (self, "warning");
+
+ gst_message_parse_warning (msg, &err, &debug);
+ gst_message_parse_warning_details (msg, &details);
+
+ name = gst_object_get_path_string (msg->src);
+ message = gst_error_get_message (err->domain, err->code);
+
+ if (debug)
+ full_message =
+ g_strdup_printf ("Warning from element %s: %s\n%s\n%s", name, message,
+ err->message, debug);
+ else
+ full_message =
+ g_strdup_printf ("Warning from element %s: %s\n%s", name, message,
+ err->message);
+
+ GST_WARNING_OBJECT (self, "WARNING: from element %s: %s", name, err->message);
+ if (debug != NULL)
+ GST_WARNING_OBJECT (self, "Additional debug info: %s", debug);
+
+ play_err =
+ g_error_new_literal (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED, full_message);
+
+ GST_ERROR_OBJECT (self, "Warning: %s (%s, %d)", err->message,
+ g_quark_to_string (err->domain), err->code);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_WARNING,
+ GST_PLAY_MESSAGE_DATA_WARNING, G_TYPE_ERROR, play_err,
+ GST_PLAY_MESSAGE_DATA_WARNING_DETAILS, GST_TYPE_STRUCTURE, details, NULL);
+
+ g_clear_error (&play_err);
+ g_clear_error (&err);
+ g_free (debug);
+ g_free (name);
+ g_free (full_message);
+ g_free (message);
+}
+
+static void
+eos_cb (G_GNUC_UNUSED GstBus * bus, G_GNUC_UNUSED GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ GST_DEBUG_OBJECT (self, "End of stream");
+
+ tick_cb (self);
+ remove_tick_source (self);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_END_OF_STREAM, NULL);
+
+ change_state (self, GST_PLAY_STATE_STOPPED);
+ self->buffering = 100;
+ self->is_eos = TRUE;
+}
+
+static void
+buffering_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ gint percent;
+
+ if (self->target_state < GST_STATE_PAUSED)
+ return;
+ if (self->is_live)
+ return;
+
+ gst_message_parse_buffering (msg, &percent);
+ GST_LOG_OBJECT (self, "Buffering %d%%", percent);
+
+ if (percent < 100 && self->target_state >= GST_STATE_PAUSED) {
+ GstStateChangeReturn state_ret;
+
+ GST_DEBUG_OBJECT (self, "Waiting for buffering to finish");
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PAUSED);
+
+ if (state_ret == GST_STATE_CHANGE_FAILURE) {
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to handle buffering_"), NULL);
+ return;
+ }
+
+ change_state (self, GST_PLAY_STATE_BUFFERING);
+ }
+
+ if (self->buffering != percent) {
+ self->buffering = percent;
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_BUFFERING,
+ GST_PLAY_MESSAGE_DATA_BUFFERING_PERCENT, G_TYPE_UINT, percent, NULL);
+ }
+
+ g_mutex_lock (&self->lock);
+ if (percent == 100 && (self->seek_position != GST_CLOCK_TIME_NONE ||
+ self->seek_pending)) {
+ g_mutex_unlock (&self->lock);
+
+ GST_DEBUG_OBJECT (self, "Buffering finished - seek pending");
+ } else if (percent == 100 && self->target_state >= GST_STATE_PLAYING
+ && self->current_state >= GST_STATE_PAUSED) {
+ GstStateChangeReturn state_ret;
+
+ g_mutex_unlock (&self->lock);
+
+ GST_DEBUG_OBJECT (self, "Buffering finished - going to PLAYING");
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PLAYING);
+ /* Application state change is happening when the state change happened */
+ if (state_ret == GST_STATE_CHANGE_FAILURE)
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to handle buffering"), NULL);
+ } else if (percent == 100 && self->target_state >= GST_STATE_PAUSED) {
+ g_mutex_unlock (&self->lock);
+
+ GST_DEBUG_OBJECT (self, "Buffering finished - staying PAUSED");
+ change_state (self, GST_PLAY_STATE_PAUSED);
+ } else {
+ g_mutex_unlock (&self->lock);
+ }
+}
+
+static void
+clock_lost_cb (G_GNUC_UNUSED GstBus * bus, G_GNUC_UNUSED GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstStateChangeReturn state_ret;
+
+ GST_DEBUG_OBJECT (self, "Clock lost");
+ if (self->target_state >= GST_STATE_PLAYING) {
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PAUSED);
+ if (state_ret != GST_STATE_CHANGE_FAILURE)
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PLAYING);
+
+ if (state_ret == GST_STATE_CHANGE_FAILURE)
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to handle clock loss"), NULL);
+ }
+}
+
+
+static void
+check_video_dimensions_changed (GstPlay * self)
+{
+ GstElement *video_sink;
+ GstPad *video_sink_pad;
+ GstCaps *caps;
+ GstVideoInfo info;
+ guint width = 0, height = 0;
+
+ g_object_get (self->playbin, "video-sink", &video_sink, NULL);
+ if (!video_sink)
+ goto out;
+
+ video_sink_pad = gst_element_get_static_pad (video_sink, "sink");
+ if (!video_sink_pad) {
+ gst_object_unref (video_sink);
+ goto out;
+ }
+
+ caps = gst_pad_get_current_caps (video_sink_pad);
+
+ if (caps) {
+ if (gst_video_info_from_caps (&info, caps)) {
+ info.width = info.width * info.par_n / info.par_d;
+
+ GST_DEBUG_OBJECT (self, "Video dimensions changed: %dx%d", info.width,
+ info.height);
+ width = info.width;
+ height = info.height;
+ }
+
+ gst_caps_unref (caps);
+ }
+ gst_object_unref (video_sink_pad);
+ gst_object_unref (video_sink);
+
+out:
+ api_bus_post_message (self, GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED,
+ GST_PLAY_MESSAGE_DATA_VIDEO_WIDTH, G_TYPE_UINT, width,
+ GST_PLAY_MESSAGE_DATA_VIDEO_HEIGHT, G_TYPE_UINT, height, NULL);
+}
+
+static void
+notify_caps_cb (G_GNUC_UNUSED GObject * object,
+ G_GNUC_UNUSED GParamSpec * pspec, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ check_video_dimensions_changed (self);
+}
+
+static void
+on_duration_changed (GstPlay * self, GstClockTime duration)
+{
+ gboolean updated = FALSE;
+
+ if (self->cached_duration == duration)
+ return;
+
+ GST_DEBUG_OBJECT (self, "Duration changed %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (duration));
+
+ g_mutex_lock (&self->lock);
+ self->cached_duration = duration;
+ if (self->media_info) {
+ self->media_info->duration = duration;
+ updated = TRUE;
+ }
+ g_mutex_unlock (&self->lock);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_DURATION_CHANGED,
+ GST_PLAY_MESSAGE_DATA_DURATION, GST_TYPE_CLOCK_TIME,
+ gst_play_get_duration (self), NULL);
+
+ if (updated) {
+ on_media_info_updated (self);
+ }
+}
+
+static void
+on_seek_done (GstPlay * self)
+{
+ api_bus_post_message (self, GST_PLAY_MESSAGE_SEEK_DONE,
+ GST_PLAY_MESSAGE_DATA_POSITION, GST_TYPE_CLOCK_TIME,
+ gst_play_get_position (self), NULL);
+}
+
+static void
+state_changed_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstState old_state, new_state, pending_state;
+
+ gst_message_parse_state_changed (msg, &old_state, &new_state, &pending_state);
+
+ if (GST_MESSAGE_SRC (msg) == GST_OBJECT (self->playbin)) {
+ gchar *transition_name;
+
+ GST_DEBUG_OBJECT (self, "Changed state old: %s new: %s pending: %s",
+ gst_element_state_get_name (old_state),
+ gst_element_state_get_name (new_state),
+ gst_element_state_get_name (pending_state));
+
+ transition_name = g_strdup_printf ("%s_%s",
+ gst_element_state_get_name (old_state),
+ gst_element_state_get_name (new_state));
+ dump_dot_file (self, transition_name);
+ g_free (transition_name);
+
+ self->current_state = new_state;
+
+ if (old_state == GST_STATE_READY && new_state == GST_STATE_PAUSED
+ && pending_state == GST_STATE_VOID_PENDING) {
+ GstElement *video_sink;
+ GstPad *video_sink_pad;
+ gint64 duration = -1;
+
+ GST_DEBUG_OBJECT (self, "Initial PAUSED - pre-rolled");
+
+ g_mutex_lock (&self->lock);
+ if (self->media_info)
+ g_object_unref (self->media_info);
+ self->media_info = gst_play_media_info_create (self);
+ g_mutex_unlock (&self->lock);
+ on_media_info_updated (self);
+
+ g_object_get (self->playbin, "video-sink", &video_sink, NULL);
+
+ if (video_sink) {
+ video_sink_pad = gst_element_get_static_pad (video_sink, "sink");
+
+ if (video_sink_pad) {
+ g_signal_connect (video_sink_pad, "notify::caps",
+ (GCallback) notify_caps_cb, self);
+ gst_object_unref (video_sink_pad);
+ }
+ gst_object_unref (video_sink);
+ }
+
+ check_video_dimensions_changed (self);
+ if (gst_element_query_duration (self->playbin, GST_FORMAT_TIME,
+ &duration)) {
+ on_duration_changed (self, duration);
+ } else {
+ self->cached_duration = GST_CLOCK_TIME_NONE;
+ }
+ }
+
+ if (new_state == GST_STATE_PAUSED
+ && pending_state == GST_STATE_VOID_PENDING) {
+ remove_tick_source (self);
+
+ g_mutex_lock (&self->lock);
+ if (self->seek_pending) {
+ self->seek_pending = FALSE;
+
+ if (!self->media_info->seekable) {
+ GST_DEBUG_OBJECT (self, "Media is not seekable");
+ remove_seek_source (self);
+ self->seek_position = GST_CLOCK_TIME_NONE;
+ self->last_seek_time = GST_CLOCK_TIME_NONE;
+ } else if (self->seek_source) {
+ GST_DEBUG_OBJECT (self, "Seek finished but new seek is pending");
+ gst_play_seek_internal_locked (self);
+ } else {
+ GST_DEBUG_OBJECT (self, "Seek finished");
+ on_seek_done (self);
+ }
+ }
+
+ if (self->seek_position != GST_CLOCK_TIME_NONE) {
+ GST_DEBUG_OBJECT (self, "Seeking now that we reached PAUSED state");
+ gst_play_seek_internal_locked (self);
+ g_mutex_unlock (&self->lock);
+ } else if (!self->seek_pending) {
+ g_mutex_unlock (&self->lock);
+
+ tick_cb (self);
+
+ if (self->target_state >= GST_STATE_PLAYING && self->buffering == 100) {
+ GstStateChangeReturn state_ret;
+
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PLAYING);
+ if (state_ret == GST_STATE_CHANGE_FAILURE)
+ on_error (self, g_error_new (GST_PLAY_ERROR,
+ GST_PLAY_ERROR_FAILED, "Failed to play"), NULL);
+ } else if (self->buffering == 100) {
+ change_state (self, GST_PLAY_STATE_PAUSED);
+ }
+ } else {
+ g_mutex_unlock (&self->lock);
+ }
+ } else if (new_state == GST_STATE_PLAYING
+ && pending_state == GST_STATE_VOID_PENDING) {
+ /* api_bus_post_message (self, GST_PLAY_MESSAGE_POSITION_UPDATED, */
+ /* GST_PLAY_MESSAGE_DATA_POSITION, GST_TYPE_CLOCK_TIME, 0, NULL); */
+
+ /* If no seek is currently pending, add the tick source. This can happen
+ * if we seeked already but the state-change message was still queued up */
+ if (!self->seek_pending) {
+ add_tick_source (self);
+ change_state (self, GST_PLAY_STATE_PLAYING);
+ }
+ } else if (new_state == GST_STATE_READY && old_state > GST_STATE_READY) {
+ change_state (self, GST_PLAY_STATE_STOPPED);
+ } else {
+ /* Otherwise we neither reached PLAYING nor PAUSED, so must
+ * wait for something to happen... i.e. are BUFFERING now */
+ change_state (self, GST_PLAY_STATE_BUFFERING);
+ }
+ }
+}
+
+static void
+duration_changed_cb (G_GNUC_UNUSED GstBus * bus, G_GNUC_UNUSED GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ gint64 duration = GST_CLOCK_TIME_NONE;
+
+ if (gst_element_query_duration (self->playbin, GST_FORMAT_TIME, &duration)) {
+ on_duration_changed (self, duration);
+ }
+}
+
+static void
+latency_cb (G_GNUC_UNUSED GstBus * bus, G_GNUC_UNUSED GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ GST_DEBUG_OBJECT (self, "Latency changed");
+
+ gst_bin_recalculate_latency (GST_BIN (self->playbin));
+}
+
+static void
+request_state_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstState state;
+ GstStateChangeReturn state_ret;
+
+ gst_message_parse_request_state (msg, &state);
+
+ GST_DEBUG_OBJECT (self, "State %s requested",
+ gst_element_state_get_name (state));
+
+ self->target_state = state;
+ state_ret = gst_element_set_state (self->playbin, state);
+ if (state_ret == GST_STATE_CHANGE_FAILURE)
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to change to requested state %s",
+ gst_element_state_get_name (state)), NULL);
+}
+
+static void
+media_info_update (GstPlay * self, GstPlayMediaInfo * info)
+{
+ g_free (info->title);
+ info->title = get_from_tags (self, info, get_title);
+
+ g_free (info->container);
+ info->container = get_from_tags (self, info, get_container_format);
+
+ if (info->image_sample)
+ gst_sample_unref (info->image_sample);
+ info->image_sample = get_from_tags (self, info, get_cover_sample);
+
+ GST_DEBUG_OBJECT (self, "title: %s, container: %s "
+ "image_sample: %p", info->title, info->container, info->image_sample);
+}
+
+static void
+tags_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstTagList *tags = NULL;
+
+ gst_message_parse_tag (msg, &tags);
+
+ GST_DEBUG_OBJECT (self, "received %s tags",
+ gst_tag_list_get_scope (tags) ==
+ GST_TAG_SCOPE_GLOBAL ? "global" : "stream");
+
+ if (gst_tag_list_get_scope (tags) == GST_TAG_SCOPE_GLOBAL) {
+ g_mutex_lock (&self->lock);
+ if (self->media_info) {
+ if (self->media_info->tags)
+ gst_tag_list_unref (self->media_info->tags);
+ self->media_info->tags = gst_tag_list_ref (tags);
+ media_info_update (self, self->media_info);
+ g_mutex_unlock (&self->lock);
+ on_media_info_updated (self);
+ } else {
+ if (self->global_tags)
+ gst_tag_list_unref (self->global_tags);
+ self->global_tags = gst_tag_list_ref (tags);
+ g_mutex_unlock (&self->lock);
+ }
+ }
+
+ gst_tag_list_unref (tags);
+}
+
+static void
+element_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ const GstStructure *s;
+
+ s = gst_message_get_structure (msg);
+ if (gst_structure_has_name (s, "redirect")) {
+ const gchar *new_location;
+
+ new_location = gst_structure_get_string (s, "new-location");
+ if (!new_location) {
+ const GValue *locations_list, *location_val;
+ guint i, size;
+
+ locations_list = gst_structure_get_value (s, "locations");
+ size = gst_value_list_get_size (locations_list);
+ for (i = 0; i < size; ++i) {
+ const GstStructure *location_s;
+
+ location_val = gst_value_list_get_value (locations_list, i);
+ if (!GST_VALUE_HOLDS_STRUCTURE (location_val))
+ continue;
+
+ location_s = (const GstStructure *) g_value_get_boxed (location_val);
+ if (!gst_structure_has_name (location_s, "redirect"))
+ continue;
+
+ new_location = gst_structure_get_string (location_s, "new-location");
+ if (new_location)
+ break;
+ }
+ }
+
+ if (new_location) {
+ GstState target_state;
+
+ GST_DEBUG_OBJECT (self, "Redirect to '%s'", new_location);
+
+ /* Remember target state and restore after setting the URI */
+ target_state = self->target_state;
+
+ gst_play_stop_internal (self, TRUE);
+
+ g_mutex_lock (&self->lock);
+ g_free (self->redirect_uri);
+ self->redirect_uri = g_strdup (new_location);
+ g_object_set (self->playbin, "uri", self->redirect_uri, NULL);
+ g_mutex_unlock (&self->lock);
+
+ if (target_state == GST_STATE_PAUSED)
+ gst_play_pause_internal (self);
+ else if (target_state == GST_STATE_PLAYING)
+ gst_play_play_internal (self);
+ }
+ }
+}
+
+/* Must be called with lock */
+static gboolean
+update_stream_collection (GstPlay * self, GstStreamCollection * collection)
+{
+ if (self->collection && self->collection == collection)
+ return FALSE;
+
+ if (self->collection && self->stream_notify_id)
+ g_signal_handler_disconnect (self->collection, self->stream_notify_id);
+
+ gst_object_replace ((GstObject **) & self->collection,
+ (GstObject *) collection);
+ if (self->media_info) {
+ gst_object_unref (self->media_info);
+ self->media_info = gst_play_media_info_create (self);
+ }
+
+ self->stream_notify_id =
+ g_signal_connect (self->collection, "stream-notify",
+ G_CALLBACK (stream_notify_cb), self);
+
+ return TRUE;
+}
+
+static void
+stream_collection_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstStreamCollection *collection = NULL;
+ gboolean updated = FALSE;
+
+ gst_message_parse_stream_collection (msg, &collection);
+
+ if (!collection)
+ return;
+
+ g_mutex_lock (&self->lock);
+ updated = update_stream_collection (self, collection);
+ gst_object_unref (collection);
+ g_mutex_unlock (&self->lock);
+
+ if (self->media_info && updated)
+ on_media_info_updated (self);
+}
+
+static void
+streams_selected_cb (G_GNUC_UNUSED GstBus * bus, GstMessage * msg,
+ gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstStreamCollection *collection = NULL;
+ gboolean updated = FALSE;
+ guint i, len;
+
+ gst_message_parse_streams_selected (msg, &collection);
+
+ if (!collection)
+ return;
+
+ g_mutex_lock (&self->lock);
+ updated = update_stream_collection (self, collection);
+ gst_object_unref (collection);
+
+ g_free (self->video_sid);
+ g_free (self->audio_sid);
+ g_free (self->subtitle_sid);
+ self->video_sid = NULL;
+ self->audio_sid = NULL;
+ self->subtitle_sid = NULL;
+
+ len = gst_message_streams_selected_get_size (msg);
+ for (i = 0; i < len; i++) {
+ GstStream *stream;
+ GstStreamType stream_type;
+ const gchar *stream_id;
+ gchar **current_sid;
+ stream = gst_message_streams_selected_get_stream (msg, i);
+ stream_type = gst_stream_get_stream_type (stream);
+ stream_id = gst_stream_get_stream_id (stream);
+ if (stream_type & GST_STREAM_TYPE_AUDIO)
+ current_sid = &self->audio_sid;
+ else if (stream_type & GST_STREAM_TYPE_VIDEO)
+ current_sid = &self->video_sid;
+ else if (stream_type & GST_STREAM_TYPE_TEXT)
+ current_sid = &self->subtitle_sid;
+ else {
+ GST_WARNING_OBJECT (self,
+ "Unknown stream-id %s with type 0x%x", stream_id, stream_type);
+ continue;
+ }
+
+ if (G_UNLIKELY (*current_sid)) {
+ GST_FIXME_OBJECT (self,
+ "Multiple streams are selected for type %s, choose the first one",
+ gst_stream_type_get_name (stream_type));
+ continue;
+ }
+
+ *current_sid = g_strdup (stream_id);
+ }
+ g_mutex_unlock (&self->lock);
+
+ if (self->media_info && updated)
+ on_media_info_updated (self);
+}
+
+static void
+play_set_flag (GstPlay * self, gint pos)
+{
+ gint flags;
+
+ g_object_get (self->playbin, "flags", &flags, NULL);
+ flags |= pos;
+ g_object_set (self->playbin, "flags", flags, NULL);
+
+ GST_DEBUG_OBJECT (self, "setting flags=%#x", flags);
+}
+
+static void
+play_clear_flag (GstPlay * self, gint pos)
+{
+ gint flags;
+
+ g_object_get (self->playbin, "flags", &flags, NULL);
+ flags &= ~pos;
+ g_object_set (self->playbin, "flags", flags, NULL);
+
+ GST_DEBUG_OBJECT (self, "setting flags=%#x", flags);
+}
+
+/*
+ * on_media_info_updated:
+ *
+ * create a new copy of self->media_info object and post it to the user
+ * application.
+ */
+static void
+on_media_info_updated (GstPlay * self)
+{
+ GstPlayMediaInfo *media_info_copy;
+
+ g_mutex_lock (&self->lock);
+ media_info_copy = gst_play_media_info_copy (self->media_info);
+ g_mutex_unlock (&self->lock);
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED,
+ GST_PLAY_MESSAGE_DATA_MEDIA_INFO, GST_TYPE_PLAY_MEDIA_INFO,
+ media_info_copy, NULL);
+ g_object_unref (media_info_copy);
+}
+
+static GstCaps *
+get_caps (GstPlay * self, gint stream_index, GType type)
+{
+ GstPad *pad = NULL;
+ GstCaps *caps = NULL;
+
+ if (type == GST_TYPE_PLAY_VIDEO_INFO)
+ g_signal_emit_by_name (G_OBJECT (self->playbin),
+ "get-video-pad", stream_index, &pad);
+ else if (type == GST_TYPE_PLAY_AUDIO_INFO)
+ g_signal_emit_by_name (G_OBJECT (self->playbin),
+ "get-audio-pad", stream_index, &pad);
+ else
+ g_signal_emit_by_name (G_OBJECT (self->playbin),
+ "get-text-pad", stream_index, &pad);
+
+ if (pad) {
+ caps = gst_pad_get_current_caps (pad);
+ gst_object_unref (pad);
+ }
+
+ return caps;
+}
+
+static void
+gst_play_subtitle_info_update (GstPlay * self, GstPlayStreamInfo * stream_info)
+{
+ GstPlaySubtitleInfo *info = (GstPlaySubtitleInfo *) stream_info;
+
+ if (stream_info->tags) {
+
+ /* free the old language info */
+ g_free (info->language);
+ info->language = NULL;
+
+ /* First try to get the language full name from tag, if name is not
+ * available then try language code. If we find the language code
+ * then use gstreamer api to translate code to full name.
+ */
+ gst_tag_list_get_string (stream_info->tags, GST_TAG_LANGUAGE_NAME,
+ &info->language);
+ if (!info->language) {
+ gchar *lang_code = NULL;
+
+ gst_tag_list_get_string (stream_info->tags, GST_TAG_LANGUAGE_CODE,
+ &lang_code);
+ if (lang_code) {
+ info->language = g_strdup (gst_tag_get_language_name (lang_code));
+ g_free (lang_code);
+ }
+ }
+
+ /* If we are still failed to find language name then check if external
+ * subtitle is loaded and compare the stream index between current sub
+ * stream index with our stream index and if matches then declare it as
+ * external subtitle and use the filename.
+ */
+ if (!info->language) {
+ gint text_index = -1;
+ gchar *suburi = NULL;
+
+ g_object_get (G_OBJECT (self->playbin), "current-suburi", &suburi, NULL);
+ if (suburi) {
+ if (self->use_playbin3) {
+ if (g_str_equal (self->subtitle_sid, stream_info->stream_id))
+ info->language = g_path_get_basename (suburi);
+ } else {
+ g_object_get (G_OBJECT (self->playbin), "current-text", &text_index,
+ NULL);
+ if (text_index == gst_play_stream_info_get_index (stream_info))
+ info->language = g_path_get_basename (suburi);
+ }
+ g_free (suburi);
+ }
+ }
+
+ } else {
+ g_free (info->language);
+ info->language = NULL;
+ }
+
+ GST_DEBUG_OBJECT (self, "language=%s", info->language);
+}
+
+static void
+gst_play_video_info_update (GstPlay * self, GstPlayStreamInfo * stream_info)
+{
+ GstPlayVideoInfo *info = (GstPlayVideoInfo *) stream_info;
+
+ if (stream_info->caps) {
+ GstStructure *s;
+
+ s = gst_caps_get_structure (stream_info->caps, 0);
+ if (s) {
+ gint width, height;
+ gint fps_n, fps_d;
+ gint par_n, par_d;
+
+ if (gst_structure_get_int (s, "width", &width))
+ info->width = width;
+ else
+ info->width = -1;
+
+ if (gst_structure_get_int (s, "height", &height))
+ info->height = height;
+ else
+ info->height = -1;
+
+ if (gst_structure_get_fraction (s, "framerate", &fps_n, &fps_d)) {
+ info->framerate_num = fps_n;
+ info->framerate_denom = fps_d;
+ } else {
+ info->framerate_num = 0;
+ info->framerate_denom = 1;
+ }
+
+
+ if (gst_structure_get_fraction (s, "pixel-aspect-ratio", &par_n, &par_d)) {
+ info->par_num = par_n;
+ info->par_denom = par_d;
+ } else {
+ info->par_num = 1;
+ info->par_denom = 1;
+ }
+ }
+ } else {
+ info->width = info->height = -1;
+ info->par_num = info->par_denom = 1;
+ info->framerate_num = 0;
+ info->framerate_denom = 1;
+ }
+
+ if (stream_info->tags) {
+ guint bitrate, max_bitrate;
+
+ if (gst_tag_list_get_uint (stream_info->tags, GST_TAG_BITRATE, &bitrate))
+ info->bitrate = bitrate;
+ else
+ info->bitrate = -1;
+
+ if (gst_tag_list_get_uint (stream_info->tags, GST_TAG_MAXIMUM_BITRATE,
+ &max_bitrate) || gst_tag_list_get_uint (stream_info->tags,
+ GST_TAG_NOMINAL_BITRATE, &max_bitrate))
+ info->max_bitrate = max_bitrate;
+ else
+ info->max_bitrate = -1;
+ } else {
+ info->bitrate = info->max_bitrate = -1;
+ }
+
+ GST_DEBUG_OBJECT (self, "width=%d height=%d fps=%.2f par=%d:%d "
+ "bitrate=%d max_bitrate=%d", info->width, info->height,
+ (gdouble) info->framerate_num / info->framerate_denom,
+ info->par_num, info->par_denom, info->bitrate, info->max_bitrate);
+}
+
+static void
+gst_play_audio_info_update (GstPlay * self, GstPlayStreamInfo * stream_info)
+{
+ GstPlayAudioInfo *info = (GstPlayAudioInfo *) stream_info;
+
+ if (stream_info->caps) {
+ GstStructure *s;
+
+ s = gst_caps_get_structure (stream_info->caps, 0);
+ if (s) {
+ gint rate, channels;
+
+ if (gst_structure_get_int (s, "rate", &rate))
+ info->sample_rate = rate;
+ else
+ info->sample_rate = -1;
+
+ if (gst_structure_get_int (s, "channels", &channels))
+ info->channels = channels;
+ else
+ info->channels = 0;
+ }
+ } else {
+ info->sample_rate = -1;
+ info->channels = 0;
+ }
+
+ if (stream_info->tags) {
+ guint bitrate, max_bitrate;
+
+ if (gst_tag_list_get_uint (stream_info->tags, GST_TAG_BITRATE, &bitrate))
+ info->bitrate = bitrate;
+ else
+ info->bitrate = -1;
+
+ if (gst_tag_list_get_uint (stream_info->tags, GST_TAG_MAXIMUM_BITRATE,
+ &max_bitrate) || gst_tag_list_get_uint (stream_info->tags,
+ GST_TAG_NOMINAL_BITRATE, &max_bitrate))
+ info->max_bitrate = max_bitrate;
+ else
+ info->max_bitrate = -1;
+
+ /* if we have old language the free it */
+ g_free (info->language);
+ info->language = NULL;
+
+ /* First try to get the language full name from tag, if name is not
+ * available then try language code. If we find the language code
+ * then use gstreamer api to translate code to full name.
+ */
+ gst_tag_list_get_string (stream_info->tags, GST_TAG_LANGUAGE_NAME,
+ &info->language);
+ if (!info->language) {
+ gchar *lang_code = NULL;
+
+ gst_tag_list_get_string (stream_info->tags, GST_TAG_LANGUAGE_CODE,
+ &lang_code);
+ if (lang_code) {
+ info->language = g_strdup (gst_tag_get_language_name (lang_code));
+ g_free (lang_code);
+ }
+ }
+ } else {
+ g_free (info->language);
+ info->language = NULL;
+ info->max_bitrate = info->bitrate = -1;
+ }
+
+ GST_DEBUG_OBJECT (self, "language=%s rate=%d channels=%d bitrate=%d "
+ "max_bitrate=%d", info->language, info->sample_rate, info->channels,
+ info->bitrate, info->max_bitrate);
+}
+
+static GstPlayStreamInfo *
+gst_play_stream_info_find (GstPlayMediaInfo * media_info,
+ GType type, gint stream_index)
+{
+ GList *list, *l;
+ GstPlayStreamInfo *info = NULL;
+
+ if (!media_info)
+ return NULL;
+
+ list = gst_play_media_info_get_stream_list (media_info);
+ for (l = list; l != NULL; l = l->next) {
+ info = (GstPlayStreamInfo *) l->data;
+ if ((G_OBJECT_TYPE (info) == type) && (info->stream_index == stream_index)) {
+ return info;
+ }
+ }
+
+ return NULL;
+}
+
+static GstPlayStreamInfo *
+gst_play_stream_info_find_from_stream_id (GstPlayMediaInfo * media_info,
+ const gchar * stream_id)
+{
+ GList *list, *l;
+ GstPlayStreamInfo *info = NULL;
+
+ if (!media_info)
+ return NULL;
+
+ list = gst_play_media_info_get_stream_list (media_info);
+ for (l = list; l != NULL; l = l->next) {
+ info = (GstPlayStreamInfo *) l->data;
+ if (g_str_equal (info->stream_id, stream_id)) {
+ return info;
+ }
+ }
+
+ return NULL;
+}
+
+static gboolean
+is_track_enabled (GstPlay * self, gint pos)
+{
+ gint flags;
+
+ g_object_get (G_OBJECT (self->playbin), "flags", &flags, NULL);
+
+ if ((flags & pos))
+ return TRUE;
+
+ return FALSE;
+}
+
+static GstPlayStreamInfo *
+gst_play_stream_info_get_current (GstPlay * self, const gchar * prop,
+ GType type)
+{
+ gint current;
+ GstPlayStreamInfo *info;
+
+ if (!self->media_info)
+ return NULL;
+
+ g_object_get (G_OBJECT (self->playbin), prop, ¤t, NULL);
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find (self->media_info, type, current);
+ if (info)
+ info = gst_play_stream_info_copy (info);
+ g_mutex_unlock (&self->lock);
+
+ return info;
+}
+
+static GstPlayStreamInfo *
+gst_play_stream_info_get_current_from_stream_id (GstPlay * self,
+ const gchar * stream_id, GType type)
+{
+ GstPlayStreamInfo *info;
+
+ if (!self->media_info || !stream_id)
+ return NULL;
+
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find_from_stream_id (self->media_info, stream_id);
+ if (info && G_OBJECT_TYPE (info) == type)
+ info = gst_play_stream_info_copy (info);
+ else
+ info = NULL;
+ g_mutex_unlock (&self->lock);
+
+ return info;
+}
+
+static void
+stream_notify_cb (GstStreamCollection * collection, GstStream * stream,
+ GParamSpec * pspec, GstPlay * self)
+{
+ GstPlayStreamInfo *info;
+ const gchar *stream_id;
+ gboolean emit_signal = FALSE;
+
+ if (!self->media_info)
+ return;
+
+ if (G_PARAM_SPEC_VALUE_TYPE (pspec) != GST_TYPE_CAPS &&
+ G_PARAM_SPEC_VALUE_TYPE (pspec) != GST_TYPE_TAG_LIST)
+ return;
+
+ stream_id = gst_stream_get_stream_id (stream);
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find_from_stream_id (self->media_info, stream_id);
+ if (info) {
+ gst_play_stream_info_update_from_stream (self, info, stream);
+ emit_signal = TRUE;
+ }
+ g_mutex_unlock (&self->lock);
+
+ if (emit_signal)
+ on_media_info_updated (self);
+}
+
+static void
+gst_play_stream_info_update (GstPlay * self, GstPlayStreamInfo * s)
+{
+ if (GST_IS_PLAY_VIDEO_INFO (s))
+ gst_play_video_info_update (self, s);
+ else if (GST_IS_PLAY_AUDIO_INFO (s))
+ gst_play_audio_info_update (self, s);
+ else
+ gst_play_subtitle_info_update (self, s);
+}
+
+static gchar *
+stream_info_get_codec (GstPlayStreamInfo * s)
+{
+ const gchar *type;
+ GstTagList *tags;
+ gchar *codec = NULL;
+
+ if (GST_IS_PLAY_VIDEO_INFO (s))
+ type = GST_TAG_VIDEO_CODEC;
+ else if (GST_IS_PLAY_AUDIO_INFO (s))
+ type = GST_TAG_AUDIO_CODEC;
+ else
+ type = GST_TAG_SUBTITLE_CODEC;
+
+ tags = gst_play_stream_info_get_tags (s);
+ if (tags) {
+ gst_tag_list_get_string (tags, type, &codec);
+ if (!codec)
+ gst_tag_list_get_string (tags, GST_TAG_CODEC, &codec);
+ }
+
+ if (!codec) {
+ GstCaps *caps;
+ caps = gst_play_stream_info_get_caps (s);
+ if (caps) {
+ codec = gst_pb_utils_get_codec_description (caps);
+ }
+ }
+
+ return codec;
+}
+
+static void
+gst_play_stream_info_update_tags_and_caps (GstPlay * self,
+ GstPlayStreamInfo * s)
+{
+ GstTagList *tags;
+ gint stream_index;
+
+ stream_index = gst_play_stream_info_get_index (s);
+
+ if (GST_IS_PLAY_VIDEO_INFO (s))
+ g_signal_emit_by_name (self->playbin, "get-video-tags",
+ stream_index, &tags);
+ else if (GST_IS_PLAY_AUDIO_INFO (s))
+ g_signal_emit_by_name (self->playbin, "get-audio-tags",
+ stream_index, &tags);
+ else
+ g_signal_emit_by_name (self->playbin, "get-text-tags", stream_index, &tags);
+
+ if (s->tags)
+ gst_tag_list_unref (s->tags);
+ s->tags = tags;
+
+ if (s->caps)
+ gst_caps_unref (s->caps);
+ s->caps = get_caps (self, stream_index, G_OBJECT_TYPE (s));
+
+ g_free (s->codec);
+ s->codec = stream_info_get_codec (s);
+
+ GST_DEBUG_OBJECT (self, "%s index: %d tags: %p caps: %p",
+ gst_play_stream_info_get_stream_type (s), stream_index, s->tags, s->caps);
+
+ gst_play_stream_info_update (self, s);
+}
+
+static void
+gst_play_streams_info_create (GstPlay * self,
+ GstPlayMediaInfo * media_info, const gchar * prop, GType type)
+{
+ gint i;
+ gint total = -1;
+ GstPlayStreamInfo *s;
+
+ if (!media_info)
+ return;
+
+ g_object_get (G_OBJECT (self->playbin), prop, &total, NULL);
+
+ GST_DEBUG_OBJECT (self, "%s: %d", prop, total);
+
+ for (i = 0; i < total; i++) {
+ /* check if stream already exist in the list */
+ s = gst_play_stream_info_find (media_info, type, i);
+
+ if (!s) {
+ /* create a new stream info instance */
+ s = gst_play_stream_info_new (i, type);
+
+ /* add the object in stream list */
+ media_info->stream_list = g_list_append (media_info->stream_list, s);
+
+ /* based on type, add the object in its corresponding stream_ list */
+ if (GST_IS_PLAY_AUDIO_INFO (s))
+ media_info->audio_stream_list = g_list_append
+ (media_info->audio_stream_list, s);
+ else if (GST_IS_PLAY_VIDEO_INFO (s))
+ media_info->video_stream_list = g_list_append
+ (media_info->video_stream_list, s);
+ else
+ media_info->subtitle_stream_list = g_list_append
+ (media_info->subtitle_stream_list, s);
+
+ GST_DEBUG_OBJECT (self, "create %s stream stream_index: %d",
+ gst_play_stream_info_get_stream_type (s), i);
+ }
+
+ gst_play_stream_info_update_tags_and_caps (self, s);
+ }
+}
+
+static void
+gst_play_stream_info_update_from_stream (GstPlay * self,
+ GstPlayStreamInfo * s, GstStream * stream)
+{
+ if (s->tags)
+ gst_tag_list_unref (s->tags);
+ s->tags = gst_stream_get_tags (stream);
+
+ if (s->caps)
+ gst_caps_unref (s->caps);
+ s->caps = gst_stream_get_caps (stream);
+
+ g_free (s->codec);
+ s->codec = stream_info_get_codec (s);
+
+ GST_DEBUG_OBJECT (self, "%s index: %d tags: %p caps: %p",
+ gst_play_stream_info_get_stream_type (s), s->stream_index,
+ s->tags, s->caps);
+
+ gst_play_stream_info_update (self, s);
+}
+
+static void
+gst_play_streams_info_create_from_collection (GstPlay * self,
+ GstPlayMediaInfo * media_info, GstStreamCollection * collection)
+{
+ guint i;
+ guint total;
+ GstPlayStreamInfo *s;
+ guint n_audio = 0;
+ guint n_video = 0;
+ guint n_text = 0;
+
+ if (!media_info || !collection)
+ return;
+
+ total = gst_stream_collection_get_size (collection);
+
+ for (i = 0; i < total; i++) {
+ GstStream *stream = gst_stream_collection_get_stream (collection, i);
+ GstStreamType stream_type = gst_stream_get_stream_type (stream);
+ const gchar *stream_id = gst_stream_get_stream_id (stream);
+
+ if (stream_type & GST_STREAM_TYPE_AUDIO) {
+ s = gst_play_stream_info_new (n_audio, GST_TYPE_PLAY_AUDIO_INFO);
+ n_audio++;
+ } else if (stream_type & GST_STREAM_TYPE_VIDEO) {
+ s = gst_play_stream_info_new (n_video, GST_TYPE_PLAY_VIDEO_INFO);
+ n_video++;
+ } else if (stream_type & GST_STREAM_TYPE_TEXT) {
+ s = gst_play_stream_info_new (n_text, GST_TYPE_PLAY_SUBTITLE_INFO);
+ n_text++;
+ } else {
+ GST_DEBUG_OBJECT (self, "Unknown type stream %d", i);
+ continue;
+ }
+
+ s->stream_id = g_strdup (stream_id);
+
+ /* add the object in stream list */
+ media_info->stream_list = g_list_append (media_info->stream_list, s);
+
+ /* based on type, add the object in its corresponding stream_ list */
+ if (GST_IS_PLAY_AUDIO_INFO (s))
+ media_info->audio_stream_list = g_list_append
+ (media_info->audio_stream_list, s);
+ else if (GST_IS_PLAY_VIDEO_INFO (s))
+ media_info->video_stream_list = g_list_append
+ (media_info->video_stream_list, s);
+ else
+ media_info->subtitle_stream_list = g_list_append
+ (media_info->subtitle_stream_list, s);
+
+ GST_DEBUG_OBJECT (self, "create %s stream stream_index: %d",
+ gst_play_stream_info_get_stream_type (s), s->stream_index);
+
+ gst_play_stream_info_update_from_stream (self, s, stream);
+ }
+}
+
+static void
+video_changed_cb (G_GNUC_UNUSED GObject * object, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ g_mutex_lock (&self->lock);
+ gst_play_streams_info_create (self, self->media_info,
+ "n-video", GST_TYPE_PLAY_VIDEO_INFO);
+ g_mutex_unlock (&self->lock);
+}
+
+static void
+audio_changed_cb (G_GNUC_UNUSED GObject * object, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ g_mutex_lock (&self->lock);
+ gst_play_streams_info_create (self, self->media_info,
+ "n-audio", GST_TYPE_PLAY_AUDIO_INFO);
+ g_mutex_unlock (&self->lock);
+}
+
+static void
+subtitle_changed_cb (G_GNUC_UNUSED GObject * object, gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ g_mutex_lock (&self->lock);
+ gst_play_streams_info_create (self, self->media_info,
+ "n-text", GST_TYPE_PLAY_SUBTITLE_INFO);
+ g_mutex_unlock (&self->lock);
+}
+
+static void *
+get_title (GstTagList * tags)
+{
+ gchar *title = NULL;
+
+ gst_tag_list_get_string (tags, GST_TAG_TITLE, &title);
+ if (!title)
+ gst_tag_list_get_string (tags, GST_TAG_TITLE_SORTNAME, &title);
+
+ return title;
+}
+
+static void *
+get_container_format (GstTagList * tags)
+{
+ gchar *container = NULL;
+
+ gst_tag_list_get_string (tags, GST_TAG_CONTAINER_FORMAT, &container);
+
+ /* TODO: If container is not available then maybe consider
+ * parsing caps or file extension to guess the container format.
+ */
+
+ return container;
+}
+
+static void *
+get_from_tags (GstPlay * self, GstPlayMediaInfo * media_info,
+ void *(*func) (GstTagList *))
+{
+ GList *l;
+ void *ret = NULL;
+
+ if (media_info->tags) {
+ ret = func (media_info->tags);
+ if (ret)
+ return ret;
+ }
+
+ /* if global tag does not exit then try video and audio streams */
+ GST_DEBUG_OBJECT (self, "trying video tags");
+ for (l = gst_play_media_info_get_video_streams (media_info); l != NULL;
+ l = l->next) {
+ GstTagList *tags;
+
+ tags = gst_play_stream_info_get_tags ((GstPlayStreamInfo *) l->data);
+ if (tags)
+ ret = func (tags);
+
+ if (ret)
+ return ret;
+ }
+
+ GST_DEBUG_OBJECT (self, "trying audio tags");
+ for (l = gst_play_media_info_get_audio_streams (media_info); l != NULL;
+ l = l->next) {
+ GstTagList *tags;
+
+ tags = gst_play_stream_info_get_tags ((GstPlayStreamInfo *) l->data);
+ if (tags)
+ ret = func (tags);
+
+ if (ret)
+ return ret;
+ }
+
+ GST_DEBUG_OBJECT (self, "failed to get the information from tags");
+ return NULL;
+}
+
+static void *
+get_cover_sample (GstTagList * tags)
+{
+ GstSample *cover_sample = NULL;
+
+ gst_tag_list_get_sample (tags, GST_TAG_IMAGE, &cover_sample);
+ if (!cover_sample)
+ gst_tag_list_get_sample (tags, GST_TAG_PREVIEW_IMAGE, &cover_sample);
+
+ return cover_sample;
+}
+
+static GstPlayMediaInfo *
+gst_play_media_info_create (GstPlay * self)
+{
+ GstPlayMediaInfo *media_info;
+ GstQuery *query;
+
+ GST_DEBUG_OBJECT (self, "begin");
+ media_info = gst_play_media_info_new (self->uri);
+ media_info->duration = gst_play_get_duration (self);
+ media_info->tags = self->global_tags;
+ media_info->is_live = self->is_live;
+ self->global_tags = NULL;
+
+ query = gst_query_new_seeking (GST_FORMAT_TIME);
+ if (gst_element_query (self->playbin, query))
+ gst_query_parse_seeking (query, NULL, &media_info->seekable, NULL, NULL);
+ gst_query_unref (query);
+
+ if (self->use_playbin3 && self->collection) {
+ gst_play_streams_info_create_from_collection (self, media_info,
+ self->collection);
+ } else {
+ /* create audio/video/sub streams */
+ gst_play_streams_info_create (self, media_info, "n-video",
+ GST_TYPE_PLAY_VIDEO_INFO);
+ gst_play_streams_info_create (self, media_info, "n-audio",
+ GST_TYPE_PLAY_AUDIO_INFO);
+ gst_play_streams_info_create (self, media_info, "n-text",
+ GST_TYPE_PLAY_SUBTITLE_INFO);
+ }
+
+ media_info->title = get_from_tags (self, media_info, get_title);
+ media_info->container =
+ get_from_tags (self, media_info, get_container_format);
+ media_info->image_sample = get_from_tags (self, media_info, get_cover_sample);
+
+ GST_DEBUG_OBJECT (self, "uri: %s title: %s duration: %" GST_TIME_FORMAT
+ " seekable: %s live: %s container: %s image_sample %p",
+ media_info->uri, media_info->title, GST_TIME_ARGS (media_info->duration),
+ media_info->seekable ? "yes" : "no", media_info->is_live ? "yes" : "no",
+ media_info->container, media_info->image_sample);
+
+ GST_DEBUG_OBJECT (self, "end");
+ return media_info;
+}
+
+static void
+tags_changed_cb (GstPlay * self, gint stream_index, GType type)
+{
+ GstPlayStreamInfo *s;
+
+ if (!self->media_info)
+ return;
+
+ /* update the stream information */
+ g_mutex_lock (&self->lock);
+ s = gst_play_stream_info_find (self->media_info, type, stream_index);
+ gst_play_stream_info_update_tags_and_caps (self, s);
+ g_mutex_unlock (&self->lock);
+
+ on_media_info_updated (self);
+}
+
+static void
+video_tags_changed_cb (G_GNUC_UNUSED GstElement * playbin, gint stream_index,
+ gpointer user_data)
+{
+ tags_changed_cb (GST_PLAY (user_data), stream_index,
+ GST_TYPE_PLAY_VIDEO_INFO);
+}
+
+static void
+audio_tags_changed_cb (G_GNUC_UNUSED GstElement * playbin, gint stream_index,
+ gpointer user_data)
+{
+ tags_changed_cb (GST_PLAY (user_data), stream_index,
+ GST_TYPE_PLAY_AUDIO_INFO);
+}
+
+static void
+subtitle_tags_changed_cb (G_GNUC_UNUSED GstElement * playbin, gint stream_index,
+ gpointer user_data)
+{
+ tags_changed_cb (GST_PLAY (user_data), stream_index,
+ GST_TYPE_PLAY_SUBTITLE_INFO);
+}
+
+static void
+volume_notify_cb (G_GNUC_UNUSED GObject * obj, G_GNUC_UNUSED GParamSpec * pspec,
+ GstPlay * self)
+{
+ api_bus_post_message (self, GST_PLAY_MESSAGE_VOLUME_CHANGED,
+ GST_PLAY_MESSAGE_DATA_VOLUME, G_TYPE_DOUBLE,
+ gst_play_get_volume (self), NULL);
+}
+
+static void
+mute_notify_cb (G_GNUC_UNUSED GObject * obj, G_GNUC_UNUSED GParamSpec * pspec,
+ GstPlay * self)
+{
+
+ api_bus_post_message (self, GST_PLAY_MESSAGE_MUTE_CHANGED,
+ GST_PLAY_MESSAGE_DATA_IS_MUTED, G_TYPE_BOOLEAN,
+ gst_play_get_mute (self), NULL);
+}
+
+static void
+source_setup_cb (GstElement * playbin, GstElement * source, GstPlay * self)
+{
+ gchar *user_agent;
+
+ user_agent = gst_play_config_get_user_agent (self->config);
+ if (user_agent) {
+ GParamSpec *prop;
+
+ prop = g_object_class_find_property (G_OBJECT_GET_CLASS (source),
+ "user-agent");
+ if (prop && prop->value_type == G_TYPE_STRING) {
+ GST_INFO_OBJECT (self, "Setting source user-agent: %s", user_agent);
+ g_object_set (source, "user-agent", user_agent, NULL);
+ }
+
+ g_free (user_agent);
+ }
+}
+
+static gpointer
+gst_play_main (gpointer data)
+{
+ GstPlay *self = GST_PLAY (data);
+ GstBus *bus;
+ GSource *source;
+ GstElement *scaletempo;
+ const gchar *env;
+
+ GST_TRACE_OBJECT (self, "Starting main thread");
+
+ g_main_context_push_thread_default (self->context);
+
+ source = g_idle_source_new ();
+ g_source_set_callback (source, (GSourceFunc) main_loop_running_cb, self,
+ NULL);
+ g_source_attach (source, self->context);
+ g_source_unref (source);
+
+ env = g_getenv ("GST_PLAY_USE_PLAYBIN3");
+ if (env && g_str_has_prefix (env, "1"))
+ self->use_playbin3 = TRUE;
+
+ if (self->use_playbin3) {
+ GST_DEBUG_OBJECT (self, "playbin3 enabled");
+ self->playbin = gst_element_factory_make ("playbin3", "playbin3");
+ } else {
+ self->playbin = gst_element_factory_make ("playbin", "playbin");
+ }
+
+ if (!self->playbin) {
+ g_error ("GstPlay: 'playbin' element not found, please check your setup");
+ g_assert_not_reached ();
+ }
+
+ gst_object_ref_sink (self->playbin);
+
+ if (self->video_renderer) {
+ GstElement *video_sink =
+ gst_play_video_renderer_create_video_sink (self->video_renderer,
+ self);
+
+ if (video_sink)
+ g_object_set (self->playbin, "video-sink", video_sink, NULL);
+ }
+
+ scaletempo = gst_element_factory_make ("scaletempo", NULL);
+ if (scaletempo) {
+ g_object_set (self->playbin, "audio-filter", scaletempo, NULL);
+ } else {
+ g_warning ("GstPlay: scaletempo element not available. Audio pitch "
+ "will not be preserved during trick modes");
+ }
+
+ self->bus = bus = gst_element_get_bus (self->playbin);
+ gst_bus_add_signal_watch (bus);
+
+ g_signal_connect (G_OBJECT (bus), "message::error", G_CALLBACK (error_cb),
+ self);
+ g_signal_connect (G_OBJECT (bus), "message::warning", G_CALLBACK (warning_cb),
+ self);
+ g_signal_connect (G_OBJECT (bus), "message::eos", G_CALLBACK (eos_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::state-changed",
+ G_CALLBACK (state_changed_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::buffering",
+ G_CALLBACK (buffering_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::clock-lost",
+ G_CALLBACK (clock_lost_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::duration-changed",
+ G_CALLBACK (duration_changed_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::latency",
+ G_CALLBACK (latency_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::request-state",
+ G_CALLBACK (request_state_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::element",
+ G_CALLBACK (element_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::tag", G_CALLBACK (tags_cb), self);
+
+ if (self->use_playbin3) {
+ g_signal_connect (G_OBJECT (bus), "message::stream-collection",
+ G_CALLBACK (stream_collection_cb), self);
+ g_signal_connect (G_OBJECT (bus), "message::streams-selected",
+ G_CALLBACK (streams_selected_cb), self);
+ } else {
+ g_signal_connect (self->playbin, "video-changed",
+ G_CALLBACK (video_changed_cb), self);
+ g_signal_connect (self->playbin, "audio-changed",
+ G_CALLBACK (audio_changed_cb), self);
+ g_signal_connect (self->playbin, "text-changed",
+ G_CALLBACK (subtitle_changed_cb), self);
+
+ g_signal_connect (self->playbin, "video-tags-changed",
+ G_CALLBACK (video_tags_changed_cb), self);
+ g_signal_connect (self->playbin, "audio-tags-changed",
+ G_CALLBACK (audio_tags_changed_cb), self);
+ g_signal_connect (self->playbin, "text-tags-changed",
+ G_CALLBACK (subtitle_tags_changed_cb), self);
+ }
+
+ g_signal_connect (self->playbin, "notify::volume",
+ G_CALLBACK (volume_notify_cb), self);
+ g_signal_connect (self->playbin, "notify::mute",
+ G_CALLBACK (mute_notify_cb), self);
+ g_signal_connect (self->playbin, "source-setup",
+ G_CALLBACK (source_setup_cb), self);
+
+ self->target_state = GST_STATE_NULL;
+ self->current_state = GST_STATE_NULL;
+ change_state (self, GST_PLAY_STATE_STOPPED);
+ self->buffering = 100;
+ self->is_eos = FALSE;
+ self->is_live = FALSE;
+ self->rate = 1.0;
+
+ GST_TRACE_OBJECT (self, "Starting main loop");
+ g_main_loop_run (self->loop);
+ GST_TRACE_OBJECT (self, "Stopped main loop");
+
+ gst_bus_remove_signal_watch (bus);
+ gst_object_unref (bus);
+
+ remove_tick_source (self);
+ remove_ready_timeout_source (self);
+
+ g_mutex_lock (&self->lock);
+ if (self->media_info) {
+ g_object_unref (self->media_info);
+ self->media_info = NULL;
+ }
+
+ remove_seek_source (self);
+ g_mutex_unlock (&self->lock);
+
+ g_main_context_pop_thread_default (self->context);
+
+ self->target_state = GST_STATE_NULL;
+ self->current_state = GST_STATE_NULL;
+ if (self->playbin) {
+ gst_element_set_state (self->playbin, GST_STATE_NULL);
+ gst_object_unref (self->playbin);
+ self->playbin = NULL;
+ }
+
+ GST_TRACE_OBJECT (self, "Stopped main thread");
+
+ return NULL;
+}
+
+static gpointer
+gst_play_init_once (G_GNUC_UNUSED gpointer user_data)
+{
+ gst_init (NULL, NULL);
+
+ GST_DEBUG_CATEGORY_INIT (gst_play_debug, "gst-play", 0, "GstPlay");
+ gst_play_error_quark ();
+
+ return NULL;
+}
+
+/**
+ * gst_play_new:
+ * @video_renderer: (transfer full) (allow-none): GstPlayVideoRenderer to use
+ *
+ * Creates a new #GstPlay instance.
+ *
+ * Video is going to be rendered by @video_renderer, or if %NULL is provided
+ * no special video set up will be done and some default handling will be
+ * performed.
+ *
+ * Returns: (transfer full): a new #GstPlay instance
+ * Since: 1.20
+ */
+GstPlay *
+gst_play_new (GstPlayVideoRenderer * video_renderer)
+{
+ static GOnce once = G_ONCE_INIT;
+ GstPlay *self;
+
+ g_once (&once, gst_play_init_once, NULL);
+
+ self = g_object_new (GST_TYPE_PLAY, "video-renderer", video_renderer, NULL);
+
+ gst_object_ref_sink (self);
+
+ if (video_renderer)
+ g_object_unref (video_renderer);
+
+ return self;
+}
+
+/**
+ * gst_play_get_message_bus:
+ * @play: #GstPlay instance
+ *
+ * GstPlay API exposes a #GstBus instance which purpose is to provide data
+ * structures representing play-internal events in form of #GstMessage<!-- -->s of
+ * type GST_MESSAGE_APPLICATION.
+ *
+ * Each message carries a "play-message" field of type #GstPlayMessage.
+ * Further fields of the message data are specific to each possible value of
+ * that enumeration.
+ *
+ * Applications can consume the messages asynchronously within their own
+ * event-loop / UI-thread etc. Note that in case the application does not
+ * consume the messages, the bus will accumulate these internally and eventually
+ * fill memory. To avoid that, the bus has to be set "flushing".
+ *
+ * Returns: (transfer full): The play message bus instance
+ *
+ * Since: 1.20
+ */
+GstBus *
+gst_play_get_message_bus (GstPlay * self)
+{
+ return g_object_ref (self->api_bus);
+}
+
+static gboolean
+gst_play_play_internal (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstStateChangeReturn state_ret;
+
+ GST_DEBUG_OBJECT (self, "Play");
+
+ g_mutex_lock (&self->lock);
+ if (!self->uri) {
+ g_mutex_unlock (&self->lock);
+ return G_SOURCE_REMOVE;
+ }
+ g_mutex_unlock (&self->lock);
+
+ remove_ready_timeout_source (self);
+ self->target_state = GST_STATE_PLAYING;
+
+ if (self->current_state < GST_STATE_PAUSED)
+ change_state (self, GST_PLAY_STATE_BUFFERING);
+
+ if (self->current_state >= GST_STATE_PAUSED && !self->is_eos
+ && self->buffering >= 100 && !(self->seek_position != GST_CLOCK_TIME_NONE
+ || self->seek_pending)) {
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PLAYING);
+ } else {
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PAUSED);
+ }
+
+ if (state_ret == GST_STATE_CHANGE_FAILURE) {
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to play"), NULL);
+ return G_SOURCE_REMOVE;
+ } else if (state_ret == GST_STATE_CHANGE_NO_PREROLL) {
+ self->is_live = TRUE;
+ GST_DEBUG_OBJECT (self, "Pipeline is live");
+ }
+
+ if (self->is_eos) {
+ gboolean ret;
+
+ GST_DEBUG_OBJECT (self, "Was EOS, seeking to beginning");
+ self->is_eos = FALSE;
+ ret =
+ gst_element_seek_simple (self->playbin, GST_FORMAT_TIME,
+ GST_SEEK_FLAG_FLUSH, 0);
+ if (!ret) {
+ GST_ERROR_OBJECT (self, "Seek to beginning failed");
+ gst_play_stop_internal (self, TRUE);
+ gst_play_play_internal (self);
+ }
+ }
+
+ return G_SOURCE_REMOVE;
+}
+
+/**
+ * gst_play_play:
+ * @play: #GstPlay instance
+ *
+ * Request to play the loaded stream.
+ * Since: 1.20
+ */
+void
+gst_play_play (GstPlay * self)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_main_context_invoke_full (self->context, G_PRIORITY_DEFAULT,
+ gst_play_play_internal, self, NULL);
+}
+
+static gboolean
+gst_play_pause_internal (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+ GstStateChangeReturn state_ret;
+
+ GST_DEBUG_OBJECT (self, "Pause");
+
+ g_mutex_lock (&self->lock);
+ if (!self->uri) {
+ g_mutex_unlock (&self->lock);
+ return G_SOURCE_REMOVE;
+ }
+ g_mutex_unlock (&self->lock);
+
+ tick_cb (self);
+ remove_tick_source (self);
+ remove_ready_timeout_source (self);
+
+ self->target_state = GST_STATE_PAUSED;
+
+ if (self->current_state < GST_STATE_PAUSED)
+ change_state (self, GST_PLAY_STATE_BUFFERING);
+
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PAUSED);
+ if (state_ret == GST_STATE_CHANGE_FAILURE) {
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to pause"), NULL);
+ return G_SOURCE_REMOVE;
+ } else if (state_ret == GST_STATE_CHANGE_NO_PREROLL) {
+ self->is_live = TRUE;
+ GST_DEBUG_OBJECT (self, "Pipeline is live");
+ }
+
+ if (self->is_eos) {
+ gboolean ret;
+
+ GST_DEBUG_OBJECT (self, "Was EOS, seeking to beginning");
+ self->is_eos = FALSE;
+ ret =
+ gst_element_seek_simple (self->playbin, GST_FORMAT_TIME,
+ GST_SEEK_FLAG_FLUSH, 0);
+ if (!ret) {
+ GST_ERROR_OBJECT (self, "Seek to beginning failed");
+ gst_play_stop_internal (self, TRUE);
+ gst_play_pause_internal (self);
+ }
+ }
+
+ return G_SOURCE_REMOVE;
+}
+
+/**
+ * gst_play_pause:
+ * @play: #GstPlay instance
+ *
+ * Pauses the current stream.
+ * Since: 1.20
+ */
+void
+gst_play_pause (GstPlay * self)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_main_context_invoke_full (self->context, G_PRIORITY_DEFAULT,
+ gst_play_pause_internal, self, NULL);
+}
+
+static void
+gst_play_stop_internal (GstPlay * self, gboolean transient)
+{
+ /* directly return if we're already stopped */
+ if (self->current_state <= GST_STATE_READY &&
+ self->target_state <= GST_STATE_READY)
+ return;
+
+ GST_DEBUG_OBJECT (self, "Stop (transient %d)", transient);
+
+ tick_cb (self);
+ remove_tick_source (self);
+
+ add_ready_timeout_source (self);
+
+ self->target_state = GST_STATE_NULL;
+ self->current_state = GST_STATE_READY;
+ self->is_live = FALSE;
+ self->is_eos = FALSE;
+ gst_bus_set_flushing (self->bus, TRUE);
+ gst_element_set_state (self->playbin, GST_STATE_READY);
+ gst_bus_set_flushing (self->bus, FALSE);
+ change_state (self, transient
+ && self->app_state !=
+ GST_PLAY_STATE_STOPPED ? GST_PLAY_STATE_BUFFERING :
+ GST_PLAY_STATE_STOPPED);
+ self->buffering = 100;
+ self->cached_duration = GST_CLOCK_TIME_NONE;
+ g_mutex_lock (&self->lock);
+ if (self->media_info) {
+ g_object_unref (self->media_info);
+ self->media_info = NULL;
+ }
+ if (self->global_tags) {
+ gst_tag_list_unref (self->global_tags);
+ self->global_tags = NULL;
+ }
+ self->seek_pending = FALSE;
+ remove_seek_source (self);
+ self->seek_position = GST_CLOCK_TIME_NONE;
+ self->last_seek_time = GST_CLOCK_TIME_NONE;
+ self->rate = 1.0;
+ if (self->collection) {
+ if (self->stream_notify_id)
+ g_signal_handler_disconnect (self->collection, self->stream_notify_id);
+ self->stream_notify_id = 0;
+ gst_object_unref (self->collection);
+ self->collection = NULL;
+ }
+ g_free (self->video_sid);
+ g_free (self->audio_sid);
+ g_free (self->subtitle_sid);
+ self->video_sid = NULL;
+ self->audio_sid = NULL;
+ self->subtitle_sid = NULL;
+ g_mutex_unlock (&self->lock);
+}
+
+static gboolean
+gst_play_stop_internal_dispatch (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ gst_play_stop_internal (self, FALSE);
+
+ return G_SOURCE_REMOVE;
+}
+
+
+/**
+ * gst_play_stop:
+ * @play: #GstPlay instance
+ *
+ * Stops playing the current stream and resets to the first position
+ * in the stream.
+ * Since: 1.20
+ */
+void
+gst_play_stop (GstPlay * self)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_main_context_invoke_full (self->context, G_PRIORITY_DEFAULT,
+ gst_play_stop_internal_dispatch, self, NULL);
+}
+
+/* Must be called with lock from main context, releases lock! */
+static void
+gst_play_seek_internal_locked (GstPlay * self)
+{
+ gboolean ret;
+ GstClockTime position;
+ gdouble rate;
+ GstStateChangeReturn state_ret;
+ GstEvent *s_event;
+ GstSeekFlags flags = 0;
+ gboolean accurate = FALSE;
+
+ remove_seek_source (self);
+
+ /* Only seek in PAUSED */
+ if (self->current_state < GST_STATE_PAUSED) {
+ return;
+ } else if (self->current_state != GST_STATE_PAUSED) {
+ g_mutex_unlock (&self->lock);
+ state_ret = gst_element_set_state (self->playbin, GST_STATE_PAUSED);
+ if (state_ret == GST_STATE_CHANGE_FAILURE) {
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to seek"), NULL);
+ g_mutex_lock (&self->lock);
+ return;
+ }
+ g_mutex_lock (&self->lock);
+ return;
+ }
+
+ self->last_seek_time = gst_util_get_timestamp ();
+ position = self->seek_position;
+ self->seek_position = GST_CLOCK_TIME_NONE;
+ self->seek_pending = TRUE;
+ rate = self->rate;
+ g_mutex_unlock (&self->lock);
+
+ remove_tick_source (self);
+ self->is_eos = FALSE;
+
+ flags |= GST_SEEK_FLAG_FLUSH;
+
+ accurate = gst_play_config_get_seek_accurate (self->config);
+
+ if (accurate) {
+ flags |= GST_SEEK_FLAG_ACCURATE;
+ } else {
+ flags &= ~GST_SEEK_FLAG_ACCURATE;
+ }
+
+ if (rate != 1.0) {
+ flags |= GST_SEEK_FLAG_TRICKMODE;
+ }
+
+ if (rate >= 0.0) {
+ s_event = gst_event_new_seek (rate, GST_FORMAT_TIME, flags,
+ GST_SEEK_TYPE_SET, position, GST_SEEK_TYPE_SET, GST_CLOCK_TIME_NONE);
+ } else {
+ s_event = gst_event_new_seek (rate, GST_FORMAT_TIME, flags,
+ GST_SEEK_TYPE_SET, G_GINT64_CONSTANT (0), GST_SEEK_TYPE_SET, position);
+ }
+
+ GST_DEBUG_OBJECT (self, "Seek with rate %.2lf to %" GST_TIME_FORMAT,
+ rate, GST_TIME_ARGS (position));
+
+ ret = gst_element_send_event (self->playbin, s_event);
+ if (!ret)
+ on_error (self, g_error_new (GST_PLAY_ERROR, GST_PLAY_ERROR_FAILED,
+ "Failed to seek to %" GST_TIME_FORMAT, GST_TIME_ARGS (position)),
+ NULL);
+
+ g_mutex_lock (&self->lock);
+}
+
+static gboolean
+gst_play_seek_internal (gpointer user_data)
+{
+ GstPlay *self = GST_PLAY (user_data);
+
+ g_mutex_lock (&self->lock);
+ gst_play_seek_internal_locked (self);
+ g_mutex_unlock (&self->lock);
+
+ return G_SOURCE_REMOVE;
+}
+
+/**
+ * gst_play_set_rate:
+ * @play: #GstPlay instance
+ * @rate: playback rate
+ *
+ * Playback at specified rate
+ * Since: 1.20
+ */
+void
+gst_play_set_rate (GstPlay * self, gdouble rate)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+ g_return_if_fail (rate != 0.0);
+
+ g_object_set (self, "rate", rate, NULL);
+}
+
+/**
+ * gst_play_get_rate:
+ * @play: #GstPlay instance
+ *
+ * Returns: current playback rate
+ * Since: 1.20
+ */
+gdouble
+gst_play_get_rate (GstPlay * self)
+{
+ gdouble val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_RATE);
+
+ g_object_get (self, "rate", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_seek:
+ * @play: #GstPlay instance
+ * @position: position to seek in nanoseconds
+ *
+ * Seeks the currently-playing stream to the absolute @position time
+ * in nanoseconds.
+ * Since: 1.20
+ */
+void
+gst_play_seek (GstPlay * self, GstClockTime position)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+ g_return_if_fail (GST_CLOCK_TIME_IS_VALID (position));
+
+ g_mutex_lock (&self->lock);
+ if (self->media_info && !self->media_info->seekable) {
+ GST_DEBUG_OBJECT (self, "Media is not seekable");
+ g_mutex_unlock (&self->lock);
+ return;
+ }
+
+ self->seek_position = position;
+
+ /* If there is no seek being dispatch to the main context currently do that,
+ * otherwise we just updated the seek position so that it will be taken by
+ * the seek handler from the main context instead of the old one.
+ */
+ if (!self->seek_source) {
+ GstClockTime now = gst_util_get_timestamp ();
+
+ /* If no seek is pending or it was started more than 250 mseconds ago seek
+ * immediately, otherwise wait until the 250 mseconds have passed */
+ if (!self->seek_pending || (now - self->last_seek_time > 250 * GST_MSECOND)) {
+ self->seek_source = g_idle_source_new ();
+ g_source_set_callback (self->seek_source,
+ (GSourceFunc) gst_play_seek_internal, self, NULL);
+ GST_TRACE_OBJECT (self, "Dispatching seek to position %" GST_TIME_FORMAT,
+ GST_TIME_ARGS (position));
+ g_source_attach (self->seek_source, self->context);
+ } else {
+ guint delay = 250000 - (now - self->last_seek_time) / 1000;
+
+ /* Note that last_seek_time must be set to something at this point and
+ * it must be smaller than 250 mseconds */
+ self->seek_source = g_timeout_source_new (delay);
+ g_source_set_callback (self->seek_source,
+ (GSourceFunc) gst_play_seek_internal, self, NULL);
+
+ GST_TRACE_OBJECT (self,
+ "Delaying seek to position %" GST_TIME_FORMAT " by %u us",
+ GST_TIME_ARGS (position), delay);
+ g_source_attach (self->seek_source, self->context);
+ }
+ }
+ g_mutex_unlock (&self->lock);
+}
+
+static void
+remove_seek_source (GstPlay * self)
+{
+ if (!self->seek_source)
+ return;
+
+ g_source_destroy (self->seek_source);
+ g_source_unref (self->seek_source);
+ self->seek_source = NULL;
+}
+
+/**
+ * gst_play_get_uri:
+ * @play: #GstPlay instance
+ *
+ * Gets the URI of the currently-playing stream.
+ *
+ * Returns: (transfer full): a string containing the URI of the
+ * currently-playing stream. g_free() after usage.
+ * Since: 1.20
+ */
+gchar *
+gst_play_get_uri (GstPlay * self)
+{
+ gchar *val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_URI);
+
+ g_object_get (self, "uri", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_uri:
+ * @play: #GstPlay instance
+ * @uri: next URI to play.
+ *
+ * Sets the next URI to play.
+ * Since: 1.20
+ */
+void
+gst_play_set_uri (GstPlay * self, const gchar * val)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "uri", val, NULL);
+}
+
+/**
+ * gst_play_set_subtitle_uri:
+ * @play: #GstPlay instance
+ * @uri: subtitle URI
+ *
+ * Sets the external subtitle URI. This should be combined with a call to
+ * gst_play_set_subtitle_track_enabled(@play, TRUE) so the subtitles are actually
+ * rendered.
+ * Since: 1.20
+ */
+void
+gst_play_set_subtitle_uri (GstPlay * self, const gchar * suburi)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "suburi", suburi, NULL);
+}
+
+/**
+ * gst_play_get_subtitle_uri:
+ * @play: #GstPlay instance
+ *
+ * current subtitle URI
+ *
+ * Returns: (transfer full): URI of the current external subtitle.
+ * g_free() after usage.
+ * Since: 1.20
+ */
+gchar *
+gst_play_get_subtitle_uri (GstPlay * self)
+{
+ gchar *val = NULL;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ g_object_get (self, "suburi", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_get_position:
+ * @play: #GstPlay instance
+ *
+ * Returns: the absolute position time, in nanoseconds, of the
+ * currently-playing stream.
+ * Since: 1.20
+ */
+GstClockTime
+gst_play_get_position (GstPlay * self)
+{
+ GstClockTime val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_POSITION);
+
+ g_object_get (self, "position", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_get_duration:
+ * @play: #GstPlay instance
+ *
+ * Retrieves the duration of the media stream that self represents.
+ *
+ * Returns: the duration of the currently-playing media stream, in
+ * nanoseconds.
+ * Since: 1.20
+ */
+GstClockTime
+gst_play_get_duration (GstPlay * self)
+{
+ GstClockTime val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_DURATION);
+
+ g_object_get (self, "duration", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_get_volume:
+ * @play: #GstPlay instance
+ *
+ * Returns the current volume level, as a percentage between 0 and 1.
+ *
+ * Returns: the volume as percentage between 0 and 1.
+ * Since: 1.20
+ */
+gdouble
+gst_play_get_volume (GstPlay * self)
+{
+ gdouble val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_VOLUME);
+
+ g_object_get (self, "volume", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_volume:
+ * @play: #GstPlay instance
+ * @val: the new volume level, as a percentage between 0 and 1
+ *
+ * Sets the volume level of the stream as a percentage between 0 and 1.
+ * Since: 1.20
+ */
+void
+gst_play_set_volume (GstPlay * self, gdouble val)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "volume", val, NULL);
+}
+
+/**
+ * gst_play_get_mute:
+ * @play: #GstPlay instance
+ *
+ * Returns: %TRUE if the currently-playing stream is muted.
+ * Since: 1.20
+ */
+gboolean
+gst_play_get_mute (GstPlay * self)
+{
+ gboolean val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_MUTE);
+
+ g_object_get (self, "mute", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_mute:
+ * @play: #GstPlay instance
+ * @val: Mute state the should be set
+ *
+ * %TRUE if the currently-playing stream should be muted.
+ * Since: 1.20
+ */
+void
+gst_play_set_mute (GstPlay * self, gboolean val)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "mute", val, NULL);
+}
+
+/**
+ * gst_play_get_pipeline:
+ * @play: #GstPlay instance
+ *
+ * Returns: (transfer full): The internal playbin instance.
+ *
+ * The caller should free it with g_object_unref()
+ * Since: 1.20
+ */
+GstElement *
+gst_play_get_pipeline (GstPlay * self)
+{
+ GstElement *val;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ g_object_get (self, "pipeline", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_get_media_info:
+ * @play: #GstPlay instance
+ *
+ * A Function to get the current media info #GstPlayMediaInfo instance.
+ *
+ * Returns: (transfer full): media info instance.
+ *
+ * The caller should free it with g_object_unref()
+ * Since: 1.20
+ */
+GstPlayMediaInfo *
+gst_play_get_media_info (GstPlay * self)
+{
+ GstPlayMediaInfo *info;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ if (!self->media_info)
+ return NULL;
+
+ g_mutex_lock (&self->lock);
+ info = gst_play_media_info_copy (self->media_info);
+ g_mutex_unlock (&self->lock);
+
+ return info;
+}
+
+/**
+ * gst_play_get_current_audio_track:
+ * @play: #GstPlay instance
+ *
+ * A Function to get current audio #GstPlayAudioInfo instance.
+ *
+ * Returns: (transfer full): current audio track.
+ *
+ * The caller should free it with g_object_unref()
+ * Since: 1.20
+ */
+GstPlayAudioInfo *
+gst_play_get_current_audio_track (GstPlay * self)
+{
+ GstPlayAudioInfo *info;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ if (!is_track_enabled (self, GST_PLAY_FLAG_AUDIO))
+ return NULL;
+
+ if (self->use_playbin3) {
+ info = (GstPlayAudioInfo *)
+ gst_play_stream_info_get_current_from_stream_id (self,
+ self->audio_sid, GST_TYPE_PLAY_AUDIO_INFO);
+ } else {
+ info = (GstPlayAudioInfo *) gst_play_stream_info_get_current (self,
+ "current-audio", GST_TYPE_PLAY_AUDIO_INFO);
+ }
+
+ return info;
+}
+
+/**
+ * gst_play_get_current_video_track:
+ * @play: #GstPlay instance
+ *
+ * A Function to get current video #GstPlayVideoInfo instance.
+ *
+ * Returns: (transfer full): current video track.
+ *
+ * The caller should free it with g_object_unref()
+ * Since: 1.20
+ */
+GstPlayVideoInfo *
+gst_play_get_current_video_track (GstPlay * self)
+{
+ GstPlayVideoInfo *info;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ if (!is_track_enabled (self, GST_PLAY_FLAG_VIDEO))
+ return NULL;
+
+ if (self->use_playbin3) {
+ info = (GstPlayVideoInfo *)
+ gst_play_stream_info_get_current_from_stream_id (self,
+ self->video_sid, GST_TYPE_PLAY_VIDEO_INFO);
+ } else {
+ info = (GstPlayVideoInfo *) gst_play_stream_info_get_current (self,
+ "current-video", GST_TYPE_PLAY_VIDEO_INFO);
+ }
+
+ return info;
+}
+
+/**
+ * gst_play_get_current_subtitle_track:
+ * @play: #GstPlay instance
+ *
+ * A Function to get current subtitle #GstPlaySubtitleInfo instance.
+ *
+ * Returns: (transfer full): current subtitle track.
+ *
+ * The caller should free it with g_object_unref()
+ * Since: 1.20
+ */
+GstPlaySubtitleInfo *
+gst_play_get_current_subtitle_track (GstPlay * self)
+{
+ GstPlaySubtitleInfo *info;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ if (!is_track_enabled (self, GST_PLAY_FLAG_SUBTITLE))
+ return NULL;
+
+ if (self->use_playbin3) {
+ info = (GstPlaySubtitleInfo *)
+ gst_play_stream_info_get_current_from_stream_id (self,
+ self->subtitle_sid, GST_TYPE_PLAY_SUBTITLE_INFO);
+ } else {
+ info = (GstPlaySubtitleInfo *) gst_play_stream_info_get_current (self,
+ "current-text", GST_TYPE_PLAY_SUBTITLE_INFO);
+ }
+
+ return info;
+}
+
+/* Must be called with lock */
+static gboolean
+gst_play_select_streams (GstPlay * self)
+{
+ GList *stream_list = NULL;
+ gboolean ret = FALSE;
+
+ if (self->audio_sid)
+ stream_list = g_list_append (stream_list, g_strdup (self->audio_sid));
+ if (self->video_sid)
+ stream_list = g_list_append (stream_list, g_strdup (self->video_sid));
+ if (self->subtitle_sid)
+ stream_list = g_list_append (stream_list, g_strdup (self->subtitle_sid));
+
+ g_mutex_unlock (&self->lock);
+ if (stream_list) {
+ ret = gst_element_send_event (self->playbin,
+ gst_event_new_select_streams (stream_list));
+ g_list_free_full (stream_list, g_free);
+ } else {
+ GST_ERROR_OBJECT (self, "No available streams for select-streams");
+ }
+ g_mutex_lock (&self->lock);
+
+ return ret;
+}
+
+/**
+ * gst_play_set_audio_track:
+ * @play: #GstPlay instance
+ * @stream_index: stream index
+ *
+ * Returns: %TRUE or %FALSE
+ *
+ * Sets the audio track @stream_index.
+ * Since: 1.20
+ */
+gboolean
+gst_play_set_audio_track (GstPlay * self, gint stream_index)
+{
+ GstPlayStreamInfo *info;
+ gboolean ret = TRUE;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), 0);
+
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find (self->media_info,
+ GST_TYPE_PLAY_AUDIO_INFO, stream_index);
+ g_mutex_unlock (&self->lock);
+ if (!info) {
+ GST_ERROR_OBJECT (self, "invalid audio stream index %d", stream_index);
+ return FALSE;
+ }
+
+ if (self->use_playbin3) {
+ g_mutex_lock (&self->lock);
+ g_free (self->audio_sid);
+ self->audio_sid = g_strdup (info->stream_id);
+ ret = gst_play_select_streams (self);
+ g_mutex_unlock (&self->lock);
+ } else {
+ g_object_set (G_OBJECT (self->playbin), "current-audio", stream_index,
+ NULL);
+ }
+
+ GST_DEBUG_OBJECT (self, "set stream index '%d'", stream_index);
+ return ret;
+}
+
+/**
+ * gst_play_set_video_track:
+ * @play: #GstPlay instance
+ * @stream_index: stream index
+ *
+ * Returns: %TRUE or %FALSE
+ *
+ * Sets the video track @stream_index.
+ * Since: 1.20
+ */
+gboolean
+gst_play_set_video_track (GstPlay * self, gint stream_index)
+{
+ GstPlayStreamInfo *info;
+ gboolean ret = TRUE;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), 0);
+
+ /* check if stream_index exist in our internal media_info list */
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find (self->media_info,
+ GST_TYPE_PLAY_VIDEO_INFO, stream_index);
+ g_mutex_unlock (&self->lock);
+ if (!info) {
+ GST_ERROR_OBJECT (self, "invalid video stream index %d", stream_index);
+ return FALSE;
+ }
+
+ if (self->use_playbin3) {
+ g_mutex_lock (&self->lock);
+ g_free (self->video_sid);
+ self->video_sid = g_strdup (info->stream_id);
+ ret = gst_play_select_streams (self);
+ g_mutex_unlock (&self->lock);
+ } else {
+ g_object_set (G_OBJECT (self->playbin), "current-video", stream_index,
+ NULL);
+ }
+
+ GST_DEBUG_OBJECT (self, "set stream index '%d'", stream_index);
+ return ret;
+}
+
+/**
+ * gst_play_set_subtitle_track:
+ * @play: #GstPlay instance
+ * @stream_index: stream index
+ *
+ * Returns: %TRUE or %FALSE
+ *
+ * Sets the subtitle stack @stream_index.
+ * Since: 1.20
+ */
+gboolean
+gst_play_set_subtitle_track (GstPlay * self, gint stream_index)
+{
+ GstPlayStreamInfo *info;
+ gboolean ret = TRUE;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), 0);
+
+ g_mutex_lock (&self->lock);
+ info = gst_play_stream_info_find (self->media_info,
+ GST_TYPE_PLAY_SUBTITLE_INFO, stream_index);
+ g_mutex_unlock (&self->lock);
+ if (!info) {
+ GST_ERROR_OBJECT (self, "invalid subtitle stream index %d", stream_index);
+ return FALSE;
+ }
+
+ if (self->use_playbin3) {
+ g_mutex_lock (&self->lock);
+ g_free (self->subtitle_sid);
+ self->subtitle_sid = g_strdup (info->stream_id);
+ ret = gst_play_select_streams (self);
+ g_mutex_unlock (&self->lock);
+ } else {
+ g_object_set (G_OBJECT (self->playbin), "current-text", stream_index, NULL);
+ }
+
+ GST_DEBUG_OBJECT (self, "set stream index '%d'", stream_index);
+ return ret;
+}
+
+/**
+ * gst_play_set_audio_track_enabled:
+ * @play: #GstPlay instance
+ * @enabled: TRUE or FALSE
+ *
+ * Enable or disable the current audio track.
+ * Since: 1.20
+ */
+void
+gst_play_set_audio_track_enabled (GstPlay * self, gboolean enabled)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ if (enabled)
+ play_set_flag (self, GST_PLAY_FLAG_AUDIO);
+ else
+ play_clear_flag (self, GST_PLAY_FLAG_AUDIO);
+
+ GST_DEBUG_OBJECT (self, "track is '%s'", enabled ? "Enabled" : "Disabled");
+}
+
+/**
+ * gst_play_set_video_track_enabled:
+ * @play: #GstPlay instance
+ * @enabled: TRUE or FALSE
+ *
+ * Enable or disable the current video track.
+ * Since: 1.20
+ */
+void
+gst_play_set_video_track_enabled (GstPlay * self, gboolean enabled)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ if (enabled)
+ play_set_flag (self, GST_PLAY_FLAG_VIDEO);
+ else
+ play_clear_flag (self, GST_PLAY_FLAG_VIDEO);
+
+ GST_DEBUG_OBJECT (self, "track is '%s'", enabled ? "Enabled" : "Disabled");
+}
+
+/**
+ * gst_play_set_subtitle_track_enabled:
+ * @play: #GstPlay instance
+ * @enabled: TRUE or FALSE
+ *
+ * Enable or disable the current subtitle track.
+ * Since: 1.20
+ */
+void
+gst_play_set_subtitle_track_enabled (GstPlay * self, gboolean enabled)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ if (enabled)
+ play_set_flag (self, GST_PLAY_FLAG_SUBTITLE);
+ else
+ play_clear_flag (self, GST_PLAY_FLAG_SUBTITLE);
+
+ GST_DEBUG_OBJECT (self, "track is '%s'", enabled ? "Enabled" : "Disabled");
+}
+
+/**
+ * gst_play_set_visualization:
+ * @play: #GstPlay instance
+ * @name: visualization element obtained from
+ * #gst_play_visualizations_get()
+ *
+ * Returns: %TRUE if the visualizations was set correctly. Otherwise,
+ * %FALSE.
+ * Since: 1.20
+ */
+gboolean
+gst_play_set_visualization (GstPlay * self, const gchar * name)
+{
+ g_return_val_if_fail (GST_IS_PLAY (self), FALSE);
+
+ g_mutex_lock (&self->lock);
+ if (self->current_vis_element) {
+ gst_object_unref (self->current_vis_element);
+ self->current_vis_element = NULL;
+ }
+
+ if (name) {
+ self->current_vis_element = gst_element_factory_make (name, NULL);
+ if (!self->current_vis_element)
+ goto error_no_element;
+ gst_object_ref_sink (self->current_vis_element);
+ }
+ g_object_set (self->playbin, "vis-plugin", self->current_vis_element, NULL);
+
+ g_mutex_unlock (&self->lock);
+ GST_DEBUG_OBJECT (self, "set vis-plugin to '%s'", name);
+
+ return TRUE;
+
+error_no_element:
+ g_mutex_unlock (&self->lock);
+ GST_WARNING_OBJECT (self, "could not find visualization '%s'", name);
+ return FALSE;
+}
+
+/**
+ * gst_play_get_current_visualization:
+ * @play: #GstPlay instance
+ *
+ * Returns: (transfer full): Name of the currently enabled visualization.
+ * g_free() after usage.
+ * Since: 1.20
+ */
+gchar *
+gst_play_get_current_visualization (GstPlay * self)
+{
+ gchar *name = NULL;
+ GstElement *vis_plugin = NULL;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ if (!is_track_enabled (self, GST_PLAY_FLAG_VIS))
+ return NULL;
+
+ g_object_get (self->playbin, "vis-plugin", &vis_plugin, NULL);
+
+ if (vis_plugin) {
+ GstElementFactory *factory = gst_element_get_factory (vis_plugin);
+ if (factory)
+ name = g_strdup (gst_plugin_feature_get_name (factory));
+ gst_object_unref (vis_plugin);
+ }
+
+ GST_DEBUG_OBJECT (self, "vis-plugin '%s' %p", name, vis_plugin);
+
+ return name;
+}
+
+/**
+ * gst_play_set_visualization_enabled:
+ * @play: #GstPlay instance
+ * @enabled: TRUE or FALSE
+ *
+ * Enable or disable the visualization.
+ * Since: 1.20
+ */
+void
+gst_play_set_visualization_enabled (GstPlay * self, gboolean enabled)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ if (enabled)
+ play_set_flag (self, GST_PLAY_FLAG_VIS);
+ else
+ play_clear_flag (self, GST_PLAY_FLAG_VIS);
+
+ GST_DEBUG_OBJECT (self, "visualization is '%s'",
+ enabled ? "Enabled" : "Disabled");
+}
+
+struct CBChannelMap
+{
+ const gchar *label; /* channel label name */
+ const gchar *name; /* get_name () */
+};
+
+static const struct CBChannelMap cb_channel_map[] = {
+ /* GST_PLAY_COLOR_BALANCE_BRIGHTNESS */ {"BRIGHTNESS", "brightness"},
+ /* GST_PLAY_COLOR_BALANCE_CONTRAST */ {"CONTRAST", "contrast"},
+ /* GST_PLAY_COLOR_BALANCE_SATURATION */ {"SATURATION", "saturation"},
+ /* GST_PLAY_COLOR_BALANCE_HUE */ {"HUE", "hue"},
+};
+
+static GstColorBalanceChannel *
+gst_play_color_balance_find_channel (GstPlay * self,
+ GstPlayColorBalanceType type)
+{
+ GstColorBalanceChannel *channel;
+ const GList *l, *channels;
+
+ if (type < GST_PLAY_COLOR_BALANCE_BRIGHTNESS ||
+ type > GST_PLAY_COLOR_BALANCE_HUE)
+ return NULL;
+
+ channels =
+ gst_color_balance_list_channels (GST_COLOR_BALANCE (self->playbin));
+ for (l = channels; l; l = l->next) {
+ channel = l->data;
+ if (g_strrstr (channel->label, cb_channel_map[type].label))
+ return channel;
+ }
+
+ return NULL;
+}
+
+/**
+ * gst_play_has_color_balance:
+ * @play:#GstPlay instance
+ *
+ * Checks whether the @play has color balance support available.
+ *
+ * Returns: %TRUE if @play has color balance support. Otherwise,
+ * %FALSE.
+ * Since: 1.20
+ */
+gboolean
+gst_play_has_color_balance (GstPlay * self)
+{
+ const GList *channels;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), FALSE);
+
+ if (!GST_IS_COLOR_BALANCE (self->playbin))
+ return FALSE;
+
+ channels =
+ gst_color_balance_list_channels (GST_COLOR_BALANCE (self->playbin));
+ return (channels != NULL);
+}
+
+/**
+ * gst_play_set_color_balance:
+ * @play: #GstPlay instance
+ * @type: #GstPlayColorBalanceType
+ * @value: The new value for the @type, ranged [0,1]
+ *
+ * Sets the current value of the indicated channel @type to the passed
+ * value.
+ * Since: 1.20
+ */
+void
+gst_play_set_color_balance (GstPlay * self, GstPlayColorBalanceType type,
+ gdouble value)
+{
+ GstColorBalanceChannel *channel;
+ gdouble new_val;
+
+ g_return_if_fail (GST_IS_PLAY (self));
+ g_return_if_fail (value >= 0.0 && value <= 1.0);
+
+ if (!GST_IS_COLOR_BALANCE (self->playbin))
+ return;
+
+ channel = gst_play_color_balance_find_channel (self, type);
+ if (!channel)
+ return;
+
+ value = CLAMP (value, 0.0, 1.0);
+
+ /* Convert to channel range */
+ new_val = channel->min_value + value * ((gdouble) channel->max_value -
+ (gdouble) channel->min_value);
+
+ gst_color_balance_set_value (GST_COLOR_BALANCE (self->playbin), channel,
+ new_val);
+}
+
+/**
+ * gst_play_get_color_balance:
+ * @play: #GstPlay instance
+ * @type: #GstPlayColorBalanceType
+ *
+ * Retrieve the current value of the indicated @type.
+ *
+ * Returns: The current value of @type, between [0,1]. In case of
+ * error -1 is returned.
+ * Since: 1.20
+ */
+gdouble
+gst_play_get_color_balance (GstPlay * self, GstPlayColorBalanceType type)
+{
+ GstColorBalanceChannel *channel;
+ gint value;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), -1);
+
+ if (!GST_IS_COLOR_BALANCE (self->playbin))
+ return -1;
+
+ channel = gst_play_color_balance_find_channel (self, type);
+ if (!channel)
+ return -1;
+
+ value = gst_color_balance_get_value (GST_COLOR_BALANCE (self->playbin),
+ channel);
+
+ return ((gdouble) value -
+ (gdouble) channel->min_value) / ((gdouble) channel->max_value -
+ (gdouble) channel->min_value);
+}
+
+/**
+ * gst_play_get_multiview_mode:
+ * @play: #GstPlay instance
+ *
+ * Retrieve the current value of the indicated @type.
+ *
+ * Returns: The current value of @type, Default: -1 "none"
+ *
+ * Since: 1.20
+ */
+GstVideoMultiviewFramePacking
+gst_play_get_multiview_mode (GstPlay * self)
+{
+ GstVideoMultiviewFramePacking val = GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE;
+
+ g_return_val_if_fail (GST_IS_PLAY (self),
+ GST_VIDEO_MULTIVIEW_FRAME_PACKING_NONE);
+
+ g_object_get (self, "video-multiview-mode", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_multiview_mode:
+ * @play: #GstPlay instance
+ * @mode: The new value for the @type
+ *
+ * Sets the current value of the indicated mode @type to the passed
+ * value.
+ *
+ * Since: 1.20
+ */
+void
+gst_play_set_multiview_mode (GstPlay * self, GstVideoMultiviewFramePacking mode)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "video-multiview-mode", mode, NULL);
+}
+
+/**
+ * gst_play_get_multiview_flags:
+ * @play: #GstPlay instance
+ *
+ * Retrieve the current value of the indicated @type.
+ *
+ * Returns: The current value of @type, Default: 0x00000000 "none
+ *
+ * Since: 1.20
+ */
+GstVideoMultiviewFlags
+gst_play_get_multiview_flags (GstPlay * self)
+{
+ GstVideoMultiviewFlags val = GST_VIDEO_MULTIVIEW_FLAGS_NONE;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), val);
+
+ g_object_get (self, "video-multiview-flags", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_multiview_flags:
+ * @play: #GstPlay instance
+ * @flags: The new value for the @type
+ *
+ * Sets the current value of the indicated mode @type to the passed
+ * value.
+ *
+ * Since: 1.20
+ */
+void
+gst_play_set_multiview_flags (GstPlay * self, GstVideoMultiviewFlags flags)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "video-multiview-flags", flags, NULL);
+}
+
+/**
+ * gst_play_get_audio_video_offset:
+ * @play: #GstPlay instance
+ *
+ * Retrieve the current value of audio-video-offset property
+ *
+ * Returns: The current value of audio-video-offset in nanoseconds
+ *
+ * Since: 1.20
+ */
+gint64
+gst_play_get_audio_video_offset (GstPlay * self)
+{
+ gint64 val = 0;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_AUDIO_VIDEO_OFFSET);
+
+ g_object_get (self, "audio-video-offset", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_audio_video_offset:
+ * @play: #GstPlay instance
+ * @offset: #gint64 in nanoseconds
+ *
+ * Sets audio-video-offset property by value of @offset
+ *
+ * Since: 1.20
+ */
+void
+gst_play_set_audio_video_offset (GstPlay * self, gint64 offset)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "audio-video-offset", offset, NULL);
+}
+
+/**
+ * gst_play_get_subtitle_video_offset:
+ * @play: #GstPlay instance
+ *
+ * Retrieve the current value of subtitle-video-offset property
+ *
+ * Returns: The current value of subtitle-video-offset in nanoseconds
+ *
+ * Since: 1.20
+ */
+gint64
+gst_play_get_subtitle_video_offset (GstPlay * self)
+{
+ gint64 val = 0;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), DEFAULT_SUBTITLE_VIDEO_OFFSET);
+
+ g_object_get (self, "subtitle-video-offset", &val, NULL);
+
+ return val;
+}
+
+/**
+ * gst_play_set_subtitle_video_offset:
+ * @play: #GstPlay instance
+ * @offset: #gint64 in nanoseconds
+ *
+ * Sets subtitle-video-offset property by value of @offset
+ *
+ * Since: 1.20
+ */
+void
+gst_play_set_subtitle_video_offset (GstPlay * self, gint64 offset)
+{
+ g_return_if_fail (GST_IS_PLAY (self));
+
+ g_object_set (self, "subtitle-video-offset", offset, NULL);
+}
+
+
+#define C_ENUM(v) ((gint) v)
+#define C_FLAGS(v) ((guint) v)
+
+GType
+gst_play_color_balance_type_get_type (void)
+{
+ static gsize id = 0;
+ static const GEnumValue values[] = {
+ {C_ENUM (GST_PLAY_COLOR_BALANCE_HUE), "GST_PLAY_COLOR_BALANCE_HUE",
+ "hue"},
+ {C_ENUM (GST_PLAY_COLOR_BALANCE_BRIGHTNESS),
+ "GST_PLAY_COLOR_BALANCE_BRIGHTNESS", "brightness"},
+ {C_ENUM (GST_PLAY_COLOR_BALANCE_SATURATION),
+ "GST_PLAY_COLOR_BALANCE_SATURATION", "saturation"},
+ {C_ENUM (GST_PLAY_COLOR_BALANCE_CONTRAST),
+ "GST_PLAY_COLOR_BALANCE_CONTRAST", "contrast"},
+ {0, NULL, NULL}
+ };
+
+ if (g_once_init_enter (&id)) {
+ GType tmp = g_enum_register_static ("GstPlayColorBalanceType", values);
+ g_once_init_leave (&id, tmp);
+ }
+
+ return (GType) id;
+}
+
+/**
+ * gst_play_color_balance_type_get_name:
+ * @type: a #GstPlayColorBalanceType
+ *
+ * Gets a string representing the given color balance type.
+ *
+ * Returns: (transfer none): a string with the name of the color
+ * balance type.
+ * Since: 1.20
+ */
+const gchar *
+gst_play_color_balance_type_get_name (GstPlayColorBalanceType type)
+{
+ g_return_val_if_fail (type >= GST_PLAY_COLOR_BALANCE_BRIGHTNESS &&
+ type <= GST_PLAY_COLOR_BALANCE_HUE, NULL);
+
+ return cb_channel_map[type].name;
+}
+
+GType
+gst_play_state_get_type (void)
+{
+ static gsize id = 0;
+ static const GEnumValue values[] = {
+ {C_ENUM (GST_PLAY_STATE_STOPPED), "GST_PLAY_STATE_STOPPED", "stopped"},
+ {C_ENUM (GST_PLAY_STATE_BUFFERING), "GST_PLAY_STATE_BUFFERING",
+ "buffering"},
+ {C_ENUM (GST_PLAY_STATE_PAUSED), "GST_PLAY_STATE_PAUSED", "paused"},
+ {C_ENUM (GST_PLAY_STATE_PLAYING), "GST_PLAY_STATE_PLAYING", "playing"},
+ {0, NULL, NULL}
+ };
+
+ if (g_once_init_enter (&id)) {
+ GType tmp = g_enum_register_static ("GstPlayState", values);
+ g_once_init_leave (&id, tmp);
+ }
+
+ return (GType) id;
+}
+
+GType
+gst_play_message_get_type (void)
+{
+ static gsize id = 0;
+ static const GEnumValue values[] = {
+ {C_ENUM (GST_PLAY_MESSAGE_URI_LOADED), "GST_PLAY_MESSAGE_URI_LOADED",
+ "uri-loaded"},
+ {C_ENUM (GST_PLAY_MESSAGE_POSITION_UPDATED),
+ "GST_PLAY_MESSAGE_POSITION_UPDATED", "position-updated"},
+ {C_ENUM (GST_PLAY_MESSAGE_DURATION_CHANGED),
+ "GST_PLAY_MESSAGE_DURATION_CHANGED", "duration-changed"},
+ {C_ENUM (GST_PLAY_MESSAGE_STATE_CHANGED),
+ "GST_PLAY_MESSAGE_STATE_CHANGED", "state-changed"},
+ {C_ENUM (GST_PLAY_MESSAGE_BUFFERING), "GST_PLAY_MESSAGE_BUFFERING",
+ "buffering"},
+ {C_ENUM (GST_PLAY_MESSAGE_END_OF_STREAM),
+ "GST_PLAY_MESSAGE_END_OF_STREAM", "end-of-stream"},
+ {C_ENUM (GST_PLAY_MESSAGE_ERROR), "GST_PLAY_MESSAGE_ERROR", "error"},
+ {C_ENUM (GST_PLAY_MESSAGE_WARNING), "GST_PLAY_MESSAGE_WARNING",
+ "warning"},
+ {C_ENUM (GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED),
+ "GST_PLAY_MESSAGE_VIDEO_DIMENSIONS_CHANGED",
+ "video-dimensions-changed"},
+ {C_ENUM (GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED),
+ "GST_PLAY_MESSAGE_MEDIA_INFO_UPDATED", "media-info-updated"},
+ {C_ENUM (GST_PLAY_MESSAGE_VOLUME_CHANGED),
+ "GST_PLAY_MESSAGE_VOLUME_CHANGED", "volume-changed"},
+ {C_ENUM (GST_PLAY_MESSAGE_MUTE_CHANGED),
+ "GST_PLAY_MESSAGE_MUTE_CHANGED", "mute-changed"},
+ {C_ENUM (GST_PLAY_MESSAGE_SEEK_DONE), "GST_PLAY_MESSAGE_SEEK_DONE",
+ "seek-done"},
+ {0, NULL, NULL}
+ };
+
+ if (g_once_init_enter (&id)) {
+ GType tmp = g_enum_register_static ("GstPlayMessage", values);
+ g_once_init_leave (&id, tmp);
+ }
+
+ return (GType) id;
+}
+
+/**
+ * gst_play_state_get_name:
+ * @state: a #GstPlayState
+ *
+ * Gets a string representing the given state.
+ *
+ * Returns: (transfer none): a string with the name of the state.
+ * Since: 1.20
+ */
+const gchar *
+gst_play_state_get_name (GstPlayState state)
+{
+ switch (state) {
+ case GST_PLAY_STATE_STOPPED:
+ return "stopped";
+ case GST_PLAY_STATE_BUFFERING:
+ return "buffering";
+ case GST_PLAY_STATE_PAUSED:
+ return "paused";
+ case GST_PLAY_STATE_PLAYING:
+ return "playing";
+ }
+
+ g_assert_not_reached ();
+ return NULL;
+}
+
+/**
+ * gst_play_message_get_name:
+ * @message_type: a #GstPlayMessage
+ *
+ * Returns: (transfer none): a string with the name of the message.
+ * Since: 1.20
+ */
+const gchar *
+gst_play_message_get_name (GstPlayMessage message_type)
+{
+ GEnumClass *enum_class;
+ GEnumValue *enum_value;
+ enum_class = g_type_class_ref (GST_TYPE_PLAY_MESSAGE);
+ enum_value = g_enum_get_value (enum_class, message_type);
+ g_assert (enum_value != NULL);
+ g_type_class_unref (enum_class);
+ return enum_value->value_name;
+}
+
+GType
+gst_play_error_get_type (void)
+{
+ static gsize id = 0;
+ static const GEnumValue values[] = {
+ {C_ENUM (GST_PLAY_ERROR_FAILED), "GST_PLAY_ERROR_FAILED", "failed"},
+ {0, NULL, NULL}
+ };
+
+ if (g_once_init_enter (&id)) {
+ GType tmp = g_enum_register_static ("GstPlayError", values);
+ g_once_init_leave (&id, tmp);
+ }
+
+ return (GType) id;
+}
+
+/**
+ * gst_play_error_get_name:
+ * @error: a #GstPlayError
+ *
+ * Gets a string representing the given error.
+ *
+ * Returns: (transfer none): a string with the given error.
+ * Since: 1.20
+ */
+const gchar *
+gst_play_error_get_name (GstPlayError error)
+{
+ switch (error) {
+ case GST_PLAY_ERROR_FAILED:
+ return "failed";
+ }
+
+ g_assert_not_reached ();
+ return NULL;
+}
+
+/**
+ * gst_play_set_config:
+ * @play: #GstPlay instance
+ * @config: (transfer full): a #GstStructure
+ *
+ * Set the configuration of the play. If the play is already configured, and
+ * the configuration haven't change, this function will return %TRUE. If the
+ * play is not in the GST_PLAY_STATE_STOPPED, this method will return %FALSE
+ * and active configuration will remain.
+ *
+ * @config is a #GstStructure that contains the configuration parameters for
+ * the play.
+ *
+ * This function takes ownership of @config.
+ *
+ * Returns: %TRUE when the configuration could be set.
+ * Since: 1.20
+ */
+gboolean
+gst_play_set_config (GstPlay * self, GstStructure * config)
+{
+ g_return_val_if_fail (GST_IS_PLAY (self), FALSE);
+ g_return_val_if_fail (config != NULL, FALSE);
+
+ g_mutex_lock (&self->lock);
+
+ if (self->app_state != GST_PLAY_STATE_STOPPED) {
+ GST_INFO_OBJECT (self, "can't change config while play is %s",
+ gst_play_state_get_name (self->app_state));
+ g_mutex_unlock (&self->lock);
+ return FALSE;
+ }
+
+ if (self->config)
+ gst_structure_free (self->config);
+ self->config = config;
+ g_mutex_unlock (&self->lock);
+
+ return TRUE;
+}
+
+/**
+ * gst_play_get_config:
+ * @play: #GstPlay instance
+ *
+ * Get a copy of the current configuration of the play. This configuration
+ * can either be modified and used for the gst_play_set_config() call
+ * or it must be freed after usage.
+ *
+ * Returns: (transfer full): a copy of the current configuration of @play. Use
+ * gst_structure_free() after usage or gst_play_set_config().
+ *
+ * Since: 1.20
+ */
+GstStructure *
+gst_play_get_config (GstPlay * self)
+{
+ GstStructure *ret;
+
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ g_mutex_lock (&self->lock);
+ ret = gst_structure_copy (self->config);
+ g_mutex_unlock (&self->lock);
+
+ return ret;
+}
+
+/**
+ * gst_play_config_set_user_agent:
+ * @config: a #GstPlay configuration
+ * @agent: the string to use as user agent
+ *
+ * Set the user agent to pass to the server if @play needs to connect
+ * to a server during playback. This is typically used when playing HTTP
+ * or RTSP streams.
+ *
+ * Since: 1.20
+ */
+void
+gst_play_config_set_user_agent (GstStructure * config, const gchar * agent)
+{
+ g_return_if_fail (config != NULL);
+ g_return_if_fail (agent != NULL);
+
+ gst_structure_id_set (config,
+ CONFIG_QUARK (USER_AGENT), G_TYPE_STRING, agent, NULL);
+}
+
+/**
+ * gst_play_config_get_user_agent:
+ * @config: a #GstPlay configuration
+ *
+ * Return the user agent which has been configured using
+ * gst_play_config_set_user_agent() if any.
+ *
+ * Returns: (transfer full): the configured agent, or %NULL
+ * Since: 1.20
+ */
+gchar *
+gst_play_config_get_user_agent (const GstStructure * config)
+{
+ gchar *agent = NULL;
+
+ g_return_val_if_fail (config != NULL, NULL);
+
+ gst_structure_id_get (config,
+ CONFIG_QUARK (USER_AGENT), G_TYPE_STRING, &agent, NULL);
+
+ return agent;
+}
+
+/**
+ * gst_play_config_set_position_update_interval:
+ * @config: a #GstPlay configuration
+ * @interval: interval in ms
+ *
+ * set desired interval in milliseconds between two position-updated messages.
+ * pass 0 to stop updating the position.
+ * Since: 1.20
+ */
+void
+gst_play_config_set_position_update_interval (GstStructure * config,
+ guint interval)
+{
+ g_return_if_fail (config != NULL);
+ g_return_if_fail (interval <= 10000);
+
+ gst_structure_id_set (config,
+ CONFIG_QUARK (POSITION_INTERVAL_UPDATE), G_TYPE_UINT, interval, NULL);
+}
+
+/**
+ * gst_play_config_get_position_update_interval:
+ * @config: a #GstPlay configuration
+ *
+ * Returns: current position update interval in milliseconds
+ *
+ * Since: 1.20
+ */
+guint
+gst_play_config_get_position_update_interval (const GstStructure * config)
+{
+ guint interval = DEFAULT_POSITION_UPDATE_INTERVAL_MS;
+
+ g_return_val_if_fail (config != NULL, DEFAULT_POSITION_UPDATE_INTERVAL_MS);
+
+ gst_structure_id_get (config,
+ CONFIG_QUARK (POSITION_INTERVAL_UPDATE), G_TYPE_UINT, &interval, NULL);
+
+ return interval;
+}
+
+/**
+ * gst_play_config_set_seek_accurate:
+ * @config: a #GstPlay configuration
+ * @accurate: accurate seek or not
+ *
+ * Enable or disable accurate seeking. When enabled, elements will try harder
+ * to seek as accurately as possible to the requested seek position. Generally
+ * it will be slower especially for formats that don't have any indexes or
+ * timestamp markers in the stream.
+ *
+ * If accurate seeking is disabled, elements will seek as close as the request
+ * position without slowing down seeking too much.
+ *
+ * Accurate seeking is disabled by default.
+ *
+ * Since: 1.20
+ */
+void
+gst_play_config_set_seek_accurate (GstStructure * config, gboolean accurate)
+{
+ g_return_if_fail (config != NULL);
+
+ gst_structure_id_set (config,
+ CONFIG_QUARK (ACCURATE_SEEK), G_TYPE_BOOLEAN, accurate, NULL);
+}
+
+/**
+ * gst_play_config_get_seek_accurate:
+ * @config: a #GstPlay configuration
+ *
+ * Returns: %TRUE if accurate seeking is enabled
+ *
+ * Since: 1.20
+ */
+gboolean
+gst_play_config_get_seek_accurate (const GstStructure * config)
+{
+ gboolean accurate = FALSE;
+
+ g_return_val_if_fail (config != NULL, FALSE);
+
+ gst_structure_id_get (config,
+ CONFIG_QUARK (ACCURATE_SEEK), G_TYPE_BOOLEAN, &accurate, NULL);
+
+ return accurate;
+}
+
+/**
+ * gst_play_get_video_snapshot:
+ * @play: #GstPlay instance
+ * @format: output format of the video snapshot
+ * @config: (allow-none): Additional configuration
+ *
+ * Get a snapshot of the currently selected video stream, if any. The format can be
+ * selected with @format and optional configuration is possible with @config
+ * Currently supported settings are:
+ * - width, height of type G_TYPE_INT
+ * - pixel-aspect-ratio of type GST_TYPE_FRACTION
+ * Except for GST_PLAY_THUMBNAIL_RAW_NATIVE format, if no config is set, pixel-aspect-ratio would be 1/1
+ *
+ * Returns: (transfer full): Current video snapshot sample or %NULL on failure
+ *
+ * Since: 1.20
+ */
+GstSample *
+gst_play_get_video_snapshot (GstPlay * self,
+ GstPlaySnapshotFormat format, const GstStructure * config)
+{
+ gint video_tracks = 0;
+ GstSample *sample = NULL;
+ GstCaps *caps = NULL;
+ gint width = -1;
+ gint height = -1;
+ gint par_n = 1;
+ gint par_d = 1;
+ g_return_val_if_fail (GST_IS_PLAY (self), NULL);
+
+ g_object_get (self->playbin, "n-video", &video_tracks, NULL);
+ if (video_tracks == 0) {
+ GST_DEBUG_OBJECT (self, "total video track num is 0");
+ return NULL;
+ }
+
+ switch (format) {
+ case GST_PLAY_THUMBNAIL_RAW_xRGB:
+ caps = gst_caps_new_simple ("video/x-raw",
+ "format", G_TYPE_STRING, "xRGB", NULL);
+ break;
+ case GST_PLAY_THUMBNAIL_RAW_BGRx:
+ caps = gst_caps_new_simple ("video/x-raw",
+ "format", G_TYPE_STRING, "BGRx", NULL);
+ break;
+ case GST_PLAY_THUMBNAIL_JPG:
+ caps = gst_caps_new_empty_simple ("image/jpeg");
+ break;
+ case GST_PLAY_THUMBNAIL_PNG:
+ caps = gst_caps_new_empty_simple ("image/png");
+ break;
+ case GST_PLAY_THUMBNAIL_RAW_NATIVE:
+ default:
+ caps = gst_caps_new_empty_simple ("video/x-raw");
+ break;
+ }
+
+ if (NULL != config) {
+ if (!gst_structure_get_int (config, "width", &width))
+ width = -1;
+ if (!gst_structure_get_int (config, "height", &height))
+ height = -1;
+ if (!gst_structure_get_fraction (config, "pixel-aspect-ratio", &par_n,
+ &par_d)) {
+ if (format != GST_PLAY_THUMBNAIL_RAW_NATIVE) {
+ par_n = 1;
+ par_d = 1;
+ } else {
+ par_n = 0;
+ par_d = 0;
+ }
+ }
+ }
+
+ if (width > 0 && height > 0) {
+ gst_caps_set_simple (caps, "width", G_TYPE_INT, width,
+ "height", G_TYPE_INT, height, NULL);
+ }
+
+ if (format != GST_PLAY_THUMBNAIL_RAW_NATIVE) {
+ gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ par_n, par_d, NULL);
+ } else if (NULL != config && par_n != 0 && par_d != 0) {
+ gst_caps_set_simple (caps, "pixel-aspect-ratio", GST_TYPE_FRACTION,
+ par_n, par_d, NULL);
+ }
+
+ g_signal_emit_by_name (self->playbin, "convert-sample", caps, &sample);
+ gst_caps_unref (caps);
+ if (!sample) {
+ GST_WARNING_OBJECT (self, "Failed to retrieve or convert video frame");
+ return NULL;
+ }
+
+ return sample;
+}
+
+/**
+ * gst_play_is_play_message:
+ * @msg: A #GstMessage
+ *
+ * Returns: A #gboolean indicating wheter the passes message represents a #GstPlay message or not.
+ *
+ * Since: 1.20
+ */
+gboolean
+gst_play_is_play_message (GstMessage * msg)
+{
+ const GstStructure *data = NULL;
+ g_return_val_if_fail (GST_IS_MESSAGE (msg), FALSE);
+
+ data = gst_message_get_structure (msg);
+ g_return_val_if_fail (data, FALSE);
+
+ return g_str_equal (gst_structure_get_name (data), GST_PLAY_MESSAGE_DATA);
+}
+
+#define PARSE_MESSAGE_FIELD(msg, field, value_type, value) G_STMT_START { \
+ const GstStructure *data = NULL; \
+ g_return_if_fail (gst_play_is_play_message (msg)); \
+ data = gst_message_get_structure (msg); \
+ if (!gst_structure_get (data, field, value_type, value, NULL)) { \
+ g_error ("Could not parse field from structure: %s", field); \
+ } \
+} G_STMT_END
+
+/**
+ * gst_play_message_parse_type:
+ * @msg: A #GstMessage
+ * @type: (out): (optional): (transfer full): the resulting message type
+ *
+ * Parse the given @msg and extract its #GstPlayMessage type.
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_type (GstMessage * msg, GstPlayMessage * type)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_TYPE,
+ GST_TYPE_PLAY_MESSAGE, type);
+}
+
+/**
+ * gst_play_message_parse_duration_updated:
+ * @msg: A #GstMessage
+ * @duration: (out): (optional): (transfer full): the resulting duration
+ *
+ * Parse the given duration @msg and extract the corresponding #GstClockTime
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_duration_updated (GstMessage * msg,
+ GstClockTime * duration)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_DURATION,
+ GST_TYPE_CLOCK_TIME, duration);
+}
+
+/**
+ * gst_play_message_parse_position_updated:
+ * @msg: A #GstMessage
+ * @position: (out): (optional): (transfer full): the resulting position
+ *
+ * Parse the given position @msg and extract the corresponding #GstClockTime
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_position_updated (GstMessage * msg,
+ GstClockTime * position)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_POSITION,
+ GST_TYPE_CLOCK_TIME, position);
+}
+
+/**
+ * gst_play_message_parse_state_changed:
+ * @msg: A #GstMessage
+ * @state: (out): (optional): (transfer full): the resulting play state
+ *
+ * Parse the given state @msg and extract the corresponding #GstPlayState
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_state_changed (GstMessage * msg, GstPlayState * state)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_PLAY_STATE,
+ GST_TYPE_PLAY_STATE, state);
+}
+
+/**
+ * gst_play_message_parse_buffering_percent:
+ * @msg: A #GstMessage
+ * @percent: (out): (optional): the resulting buffering percent
+ *
+ * Parse the given buffering-percent @msg and extract the corresponding value
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_buffering_percent (GstMessage * msg, guint * percent)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_BUFFERING_PERCENT,
+ G_TYPE_UINT, percent);
+}
+
+/**
+ * gst_play_message_parse_error:
+ * @msg: A #GstMessage
+ * @error: (out): (optional): (transfer full): the resulting error
+ * @details: (out): (optional): (transfer none): A GstStructure containing extra details about the error
+ *
+ * Parse the given error @msg and extract the corresponding #GError
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_error (GstMessage * msg, GError * error,
+ GstStructure ** details)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_ERROR, G_TYPE_ERROR, error);
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_ERROR, GST_TYPE_STRUCTURE,
+ details);
+}
+
+/**
+ * gst_play_message_parse_warning:
+ * @msg: A #GstMessage
+ * @error: (out): (optional): (transfer full): the resulting warning
+ * @details: (out): (optional): (transfer none): A GstStructure containing extra details about the error
+ *
+ * Parse the given error @msg and extract the corresponding #GError warning
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_warning (GstMessage * msg, GError * error,
+ GstStructure ** details)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_WARNING, G_TYPE_ERROR, error);
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_WARNING, GST_TYPE_STRUCTURE,
+ details);
+}
+
+/**
+ * gst_play_message_parse_video_dimensions_changed:
+ * @msg: A #GstMessage
+ * @width: (out): (optional): the resulting video width
+ * @height: (out): (optional): the resulting video height
+ *
+ * Parse the given @msg and extract the corresponding video dimensions
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_video_dimensions_changed (GstMessage * msg,
+ guint * width, guint * height)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_VIDEO_WIDTH,
+ G_TYPE_UINT, width);
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_VIDEO_HEIGHT,
+ G_TYPE_UINT, height);
+}
+
+/**
+ * gst_play_message_parse_media_info_updated:
+ * @msg: A #GstMessage
+ * @info: (out): (optional): (transfer full): the resulting media info
+ *
+ * Parse the given @msg and extract the corresponding media information
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_media_info_updated (GstMessage * msg,
+ GstPlayMediaInfo ** info)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_MEDIA_INFO,
+ GST_TYPE_PLAY_MEDIA_INFO, info);
+}
+
+/**
+ * gst_play_message_parse_volume_changed:
+ * @msg: A #GstMessage
+ * @volume: (out): (optional): the resulting audio volume
+ *
+ * Parse the given @msg and extract the corresponding audio volume
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_volume_changed (GstMessage * msg, gdouble * volume)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_VOLUME, G_TYPE_DOUBLE,
+ volume);
+}
+
+/**
+ * gst_play_message_parse_muted_changed:
+ * @msg: A #GstMessage
+ * @muted: (out): (optional): the resulting audio muted state
+ *
+ * Parse the given @msg and extract the corresponding audio muted state
+ *
+ * Since: 1.20
+ */
+void
+gst_play_message_parse_muted_changed (GstMessage * msg, gboolean * muted)
+{
+ PARSE_MESSAGE_FIELD (msg, GST_PLAY_MESSAGE_DATA_IS_MUTED, G_TYPE_BOOLEAN,
+ muted);
+}
projects / platform / upstream / gstreamer.git / commitdiff